21265232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 44825256

約数和(自身を除く): 23560024

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2113, 2516, 4226, 5032, 8452, 10064, 16904, 33808, 35921, 71842, 78181, 143684, 156362, 287368, 312724, 574736, 625448, 1250896, 1329077, 2658154, 5316308, 10632616, 21265232]

約数ペア:

[(1, 21265232), (2, 10632616), (4, 5316308), (8, 2658154), (16, 1329077), (17, 1250896), (34, 625448), (37, 574736), (68, 312724), (74, 287368), (136, 156362), (148, 143684), (272, 78181), (296, 71842), (592, 35921), (629, 33808), (1258, 16904), (2113, 10064), (2516, 8452), (4226, 5032)]