21307056

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 59043840

約数和(自身を除く): 37736784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 383, 456, 488, 732, 766, 912, 976, 1149, 1159, 1464, 1532, 2298, 2318, 2928, 3064, 3477, 4596, 4636, 6128, 6954, 7277, 9192, 9272, 13908, 14554, 18384, 18544, 21831, 23363, 27816, 29108, 43662, 46726, 55632, 58216, 70089, 87324, 93452, 116432, 140178, 174648, 186904, 280356, 349296, 373808, 443897, 560712, 887794, 1121424, 1331691, 1775588, 2663382, 3551176, 5326764, 7102352, 10653528, 21307056]

約数ペア:

[(1, 21307056), (2, 10653528), (3, 7102352), (4, 5326764), (6, 3551176), (8, 2663382), (12, 1775588), (16, 1331691), (19, 1121424), (24, 887794), (38, 560712), (48, 443897), (57, 373808), (61, 349296), (76, 280356), (114, 186904), (122, 174648), (152, 140178), (183, 116432), (228, 93452), (244, 87324), (304, 70089), (366, 58216), (383, 55632), (456, 46726), (488, 43662), (732, 29108), (766, 27816), (912, 23363), (976, 21831), (1149, 18544), (1159, 18384), (1464, 14554), (1532, 13908), (2298, 9272), (2318, 9192), (2928, 7277), (3064, 6954), (3477, 6128), (4596, 4636)]