21977884772

素因数分解:

$2^2\times {\mathrm{787}}^1\times {\mathrm{6981539}}^1$

素因数の和:6982330

約数の個数: 12

約数和(自身を含む): 38510174640

約数和(自身を除く): 16532289868

約数列:

[1, 2, 4, 787, 1574, 3148, 6981539, 13963078, 27926156, 5494471193, 10988942386, 21977884772]

約数ペア:

[(1, 21977884772), (2, 10988942386), (4, 5494471193), (787, 27926156), (1574, 13963078), (3148, 6981539)]