21000200112

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{659}}^1\times {\mathrm{5981}}^1$

素因数の和:6691

約数の個数: 120

約数和(自身を含む): 60461509680

約数和(自身を除く): 39461309568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 659, 666, 888, 1318, 1332, 1776, 1977, 2636, 2664, 3954, 5272, 5328, 5931, 5981, 7908, 10544, 11862, 11962, 15816, 17943, 23724, 23924, 24383, 31632, 35886, 47448, 47848, 48766, 53829, 71772, 73149, 94896, 95696, 97532, 107658, 143544, 146298, 195064, 215316, 219447, 221297, 287088, 292596, 390128, 430632, 438894, 442594, 585192, 663891, 861264, 877788, 885188, 1170384, 1327782, 1755576, 1770376, 1991673, 2655564, 3511152, 3540752, 3941479, 3983346, 5311128, 7882958, 7966692, 10622256, 11824437, 15765916, 15933384, 23648874, 31531832, 31866768, 35473311, 47297748, 63063664, 70946622, 94595496, 141893244, 145834723, 189190992, 283786488, 291669446, 437504169, 567572976, 583338892, 875008338, 1166677784, 1312512507, 1750016676, 2333355568, 2625025014, 3500033352, 5250050028, 7000066704, 10500100056, 21000200112]

約数ペア:

[(1, 21000200112), (2, 10500100056), (3, 7000066704), (4, 5250050028), (6, 3500033352), (8, 2625025014), (9, 2333355568), (12, 1750016676), (16, 1312512507), (18, 1166677784), (24, 875008338), (36, 583338892), (37, 567572976), (48, 437504169), (72, 291669446), (74, 283786488), (111, 189190992), (144, 145834723), (148, 141893244), (222, 94595496), (296, 70946622), (333, 63063664), (444, 47297748), (592, 35473311), (659, 31866768), (666, 31531832), (888, 23648874), (1318, 15933384), (1332, 15765916), (1776, 11824437), (1977, 10622256), (2636, 7966692), (2664, 7882958), (3954, 5311128), (5272, 3983346), (5328, 3941479), (5931, 3540752), (5981, 3511152), (7908, 2655564), (10544, 1991673), (11862, 1770376), (11962, 1755576), (15816, 1327782), (17943, 1170384), (23724, 885188), (23924, 877788), (24383, 861264), (31632, 663891), (35886, 585192), (47448, 442594), (47848, 438894), (48766, 430632), (53829, 390128), (71772, 292596), (73149, 287088), (94896, 221297), (95696, 219447), (97532, 215316), (107658, 195064), (143544, 146298)]