21787258885

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1\times {\mathrm{13711}}^1$

素因数の和:14353

約数の個数: 32

約数和(自身を含む): 30297157632

約数和(自身を除く): 8509898747

約数列:

[1, 5, 7, 35, 83, 415, 547, 581, 2735, 2905, 3829, 13711, 19145, 45401, 68555, 95977, 227005, 317807, 479885, 1138013, 1589035, 5690065, 7499917, 7966091, 37499585, 39830455, 52499419, 262497095, 622493111, 3112465555, 4357451777, 21787258885]

約数ペア:

[(1, 21787258885), (5, 4357451777), (7, 3112465555), (35, 622493111), (83, 262497095), (415, 52499419), (547, 39830455), (581, 37499585), (2735, 7966091), (2905, 7499917), (3829, 5690065), (13711, 1589035), (19145, 1138013), (45401, 479885), (68555, 317807), (95977, 227005)]