21223332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 58476600

約数和(自身を除く): 37253268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 101, 117, 156, 202, 234, 303, 404, 449, 468, 606, 898, 909, 1212, 1313, 1347, 1796, 1818, 2626, 2694, 3636, 3939, 4041, 5252, 5388, 5837, 7878, 8082, 11674, 11817, 15756, 16164, 17511, 23348, 23634, 35022, 45349, 47268, 52533, 70044, 90698, 105066, 136047, 181396, 210132, 272094, 408141, 544188, 589537, 816282, 1179074, 1632564, 1768611, 2358148, 3537222, 5305833, 7074444, 10611666, 21223332]

約数ペア:

[(1, 21223332), (2, 10611666), (3, 7074444), (4, 5305833), (6, 3537222), (9, 2358148), (12, 1768611), (13, 1632564), (18, 1179074), (26, 816282), (36, 589537), (39, 544188), (52, 408141), (78, 272094), (101, 210132), (117, 181396), (156, 136047), (202, 105066), (234, 90698), (303, 70044), (404, 52533), (449, 47268), (468, 45349), (606, 35022), (898, 23634), (909, 23348), (1212, 17511), (1313, 16164), (1347, 15756), (1796, 11817), (1818, 11674), (2626, 8082), (2694, 7878), (3636, 5837), (3939, 5388), (4041, 5252)]