21319498872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{31357}}^1$

素因数の和:31466

約数の個数: 192

約数和(自身を含む): 70442611200

約数和(自身を除く): 49123112328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 71, 72, 76, 84, 114, 126, 133, 142, 152, 168, 171, 213, 228, 252, 266, 284, 342, 399, 426, 456, 497, 504, 532, 568, 639, 684, 798, 852, 994, 1064, 1197, 1278, 1349, 1368, 1491, 1596, 1704, 1988, 2394, 2556, 2698, 2982, 3192, 3976, 4047, 4473, 4788, 5112, 5396, 5964, 8094, 8946, 9443, 9576, 10792, 11928, 12141, 16188, 17892, 18886, 24282, 28329, 31357, 32376, 35784, 37772, 48564, 56658, 62714, 75544, 84987, 94071, 97128, 113316, 125428, 169974, 188142, 219499, 226632, 250856, 282213, 339948, 376284, 438998, 564426, 595783, 658497, 679896, 752568, 877996, 1128852, 1191566, 1316994, 1755992, 1787349, 1975491, 2226347, 2257704, 2383132, 2633988, 3574698, 3950982, 4170481, 4452694, 4766264, 5267976, 5362047, 6679041, 7149396, 7901964, 8340962, 8905388, 10724094, 12511443, 13358082, 14298792, 15584429, 15803928, 16681924, 17810776, 20037123, 21448188, 25022886, 26716164, 31168858, 33363848, 37534329, 40074246, 42300593, 42896376, 46753287, 50045772, 53432328, 62337716, 75068658, 80148492, 84601186, 93506574, 100091544, 124675432, 126901779, 140259861, 150137316, 160296984, 169202372, 187013148, 253803558, 280519722, 296104151, 300274632, 338404744, 374026296, 380705337, 507607116, 561039444, 592208302, 761410674, 888312453, 1015214232, 1122078888, 1184416604, 1522821348, 1776624906, 2368833208, 2664937359, 3045642696, 3553249812, 5329874718, 7106499624, 10659749436, 21319498872]

約数ペア:

[(1, 21319498872), (2, 10659749436), (3, 7106499624), (4, 5329874718), (6, 3553249812), (7, 3045642696), (8, 2664937359), (9, 2368833208), (12, 1776624906), (14, 1522821348), (18, 1184416604), (19, 1122078888), (21, 1015214232), (24, 888312453), (28, 761410674), (36, 592208302), (38, 561039444), (42, 507607116), (56, 380705337), (57, 374026296), (63, 338404744), (71, 300274632), (72, 296104151), (76, 280519722), (84, 253803558), (114, 187013148), (126, 169202372), (133, 160296984), (142, 150137316), (152, 140259861), (168, 126901779), (171, 124675432), (213, 100091544), (228, 93506574), (252, 84601186), (266, 80148492), (284, 75068658), (342, 62337716), (399, 53432328), (426, 50045772), (456, 46753287), (497, 42896376), (504, 42300593), (532, 40074246), (568, 37534329), (639, 33363848), (684, 31168858), (798, 26716164), (852, 25022886), (994, 21448188), (1064, 20037123), (1197, 17810776), (1278, 16681924), (1349, 15803928), (1368, 15584429), (1491, 14298792), (1596, 13358082), (1704, 12511443), (1988, 10724094), (2394, 8905388), (2556, 8340962), (2698, 7901964), (2982, 7149396), (3192, 6679041), (3976, 5362047), (4047, 5267976), (4473, 4766264), (4788, 4452694), (5112, 4170481), (5396, 3950982), (5964, 3574698), (8094, 2633988), (8946, 2383132), (9443, 2257704), (9576, 2226347), (10792, 1975491), (11928, 1787349), (12141, 1755992), (16188, 1316994), (17892, 1191566), (18886, 1128852), (24282, 877996), (28329, 752568), (31357, 679896), (32376, 658497), (35784, 595783), (37772, 564426), (48564, 438998), (56658, 376284), (62714, 339948), (75544, 282213), (84987, 250856), (94071, 226632), (97128, 219499), (113316, 188142), (125428, 169974)]