21760208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 23772592

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 2039, 2668, 4078, 5336, 8156, 10672, 16312, 32624, 46897, 59131, 93794, 118262, 187588, 236524, 375176, 473048, 750352, 946096, 1360013, 2720026, 5440052, 10880104, 21760208]

約数ペア:

[(1, 21760208), (2, 10880104), (4, 5440052), (8, 2720026), (16, 1360013), (23, 946096), (29, 750352), (46, 473048), (58, 375176), (92, 236524), (116, 187588), (184, 118262), (232, 93794), (368, 59131), (464, 46897), (667, 32624), (1334, 16312), (2039, 10672), (2668, 8156), (4078, 5336)]