21171567440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15567329}}^1$

素因数の和:15567359

約数の個数: 40

約数和(自身を含む): 52119420840

約数和(自身を除く): 30947853400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15567329, 31134658, 62269316, 77836645, 124538632, 155673290, 249077264, 264644593, 311346580, 529289186, 622693160, 1058578372, 1245386320, 1323222965, 2117156744, 2646445930, 4234313488, 5292891860, 10585783720, 21171567440]

約数ペア:

[(1, 21171567440), (2, 10585783720), (4, 5292891860), (5, 4234313488), (8, 2646445930), (10, 2117156744), (16, 1323222965), (17, 1245386320), (20, 1058578372), (34, 622693160), (40, 529289186), (68, 311346580), (80, 264644593), (85, 249077264), (136, 155673290), (170, 124538632), (272, 77836645), (340, 62269316), (680, 31134658), (1360, 15567329)]