21354176

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1081

約数の個数: 56

約数和(自身を含む): 47274480

約数和(自身を除く): 25920304

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1033, 1088, 1216, 1292, 2066, 2584, 4132, 5168, 8264, 10336, 16528, 17561, 19627, 20672, 33056, 35122, 39254, 66112, 70244, 78508, 140488, 157016, 280976, 314032, 333659, 561952, 628064, 667318, 1123904, 1256128, 1334636, 2669272, 5338544, 10677088, 21354176]

約数ペア:

[(1, 21354176), (2, 10677088), (4, 5338544), (8, 2669272), (16, 1334636), (17, 1256128), (19, 1123904), (32, 667318), (34, 628064), (38, 561952), (64, 333659), (68, 314032), (76, 280976), (136, 157016), (152, 140488), (272, 78508), (304, 70244), (323, 66112), (544, 39254), (608, 35122), (646, 33056), (1033, 20672), (1088, 19627), (1216, 17561), (1292, 16528), (2066, 10336), (2584, 8264), (4132, 5168)]