21281481214

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{49481}}^1$

素因数の和:50512

約数の個数: 32

約数和(自身を含む): 37698158592

約数和(自身を除く): 16416677378

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 991, 1982, 6937, 13874, 30721, 49481, 61442, 98962, 215047, 346367, 430094, 692734, 1533911, 3067822, 10737377, 21474754, 49035671, 98071342, 343249697, 686499394, 1520105801, 3040211602, 10640740607, 21281481214]

約数ペア:

[(1, 21281481214), (2, 10640740607), (7, 3040211602), (14, 1520105801), (31, 686499394), (62, 343249697), (217, 98071342), (434, 49035671), (991, 21474754), (1982, 10737377), (6937, 3067822), (13874, 1533911), (30721, 692734), (49481, 430094), (61442, 346367), (98962, 215047)]