21079261808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6303607}}^1$

素因数の和:6303645

約数の個数: 40

約数和(自身を含む): 46898843520

約数和(自身を除く): 25819581712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6303607, 12607214, 25214428, 50428856, 69339677, 100857712, 119768533, 138679354, 239537066, 277358708, 479074132, 554717416, 958148264, 1109434832, 1317453863, 1916296528, 2634907726, 5269815452, 10539630904, 21079261808]

約数ペア:

[(1, 21079261808), (2, 10539630904), (4, 5269815452), (8, 2634907726), (11, 1916296528), (16, 1317453863), (19, 1109434832), (22, 958148264), (38, 554717416), (44, 479074132), (76, 277358708), (88, 239537066), (152, 138679354), (176, 119768533), (209, 100857712), (304, 69339677), (418, 50428856), (836, 25214428), (1672, 12607214), (3344, 6303607)]