21659544

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41239656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 71, 72, 76, 114, 142, 152, 171, 213, 223, 228, 284, 342, 426, 446, 456, 568, 639, 669, 684, 852, 892, 1278, 1338, 1349, 1368, 1704, 1784, 2007, 2556, 2676, 2698, 4014, 4047, 4237, 5112, 5352, 5396, 8028, 8094, 8474, 10792, 12141, 12711, 15833, 16056, 16188, 16948, 24282, 25422, 31666, 32376, 33896, 38133, 47499, 48564, 50844, 63332, 76266, 94998, 97128, 101688, 126664, 142497, 152532, 189996, 284994, 300827, 305064, 379992, 569988, 601654, 902481, 1139976, 1203308, 1804962, 2406616, 2707443, 3609924, 5414886, 7219848, 10829772, 21659544]

約数ペア:

[(1, 21659544), (2, 10829772), (3, 7219848), (4, 5414886), (6, 3609924), (8, 2707443), (9, 2406616), (12, 1804962), (18, 1203308), (19, 1139976), (24, 902481), (36, 601654), (38, 569988), (57, 379992), (71, 305064), (72, 300827), (76, 284994), (114, 189996), (142, 152532), (152, 142497), (171, 126664), (213, 101688), (223, 97128), (228, 94998), (284, 76266), (342, 63332), (426, 50844), (446, 48564), (456, 47499), (568, 38133), (639, 33896), (669, 32376), (684, 31666), (852, 25422), (892, 24282), (1278, 16948), (1338, 16188), (1349, 16056), (1368, 15833), (1704, 12711), (1784, 12141), (2007, 10792), (2556, 8474), (2676, 8094), (2698, 8028), (4014, 5396), (4047, 5352), (4237, 5112)]