21027566

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 19355794

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 322, 437, 491, 874, 931, 982, 1127, 1862, 2254, 3059, 3437, 6118, 6874, 9329, 11293, 18658, 21413, 22586, 24059, 42826, 48118, 65303, 79051, 130606, 158102, 214567, 429134, 457121, 553357, 914242, 1106714, 1501969, 3003938, 10513783, 21027566]

約数ペア:

[(1, 21027566), (2, 10513783), (7, 3003938), (14, 1501969), (19, 1106714), (23, 914242), (38, 553357), (46, 457121), (49, 429134), (98, 214567), (133, 158102), (161, 130606), (266, 79051), (322, 65303), (437, 48118), (491, 42826), (874, 24059), (931, 22586), (982, 21413), (1127, 18658), (1862, 11293), (2254, 9329), (3059, 6874), (3437, 6118)]