21410844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 62607888

約数和(自身を除く): 41197044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2801, 3822, 5602, 7644, 8403, 11204, 16806, 19607, 33612, 36413, 39214, 58821, 72826, 78428, 109239, 117642, 137249, 145652, 218478, 235284, 254891, 274498, 411747, 436956, 509782, 548996, 764673, 823494, 1019564, 1529346, 1646988, 1784237, 3058692, 3568474, 5352711, 7136948, 10705422, 21410844]

約数ペア:

[(1, 21410844), (2, 10705422), (3, 7136948), (4, 5352711), (6, 3568474), (7, 3058692), (12, 1784237), (13, 1646988), (14, 1529346), (21, 1019564), (26, 823494), (28, 764673), (39, 548996), (42, 509782), (49, 436956), (52, 411747), (78, 274498), (84, 254891), (91, 235284), (98, 218478), (147, 145652), (156, 137249), (182, 117642), (196, 109239), (273, 78428), (294, 72826), (364, 58821), (546, 39214), (588, 36413), (637, 33612), (1092, 19607), (1274, 16806), (1911, 11204), (2548, 8403), (2801, 7644), (3822, 5602)]