21640989920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12296017}}^1$

素因数の和:12296043

約数の個数: 48

約数和(自身を含む): 55774737648

約数和(自身を除く): 34133747728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12296017, 24592034, 49184068, 61480085, 98368136, 122960170, 135256187, 196736272, 245920340, 270512374, 393472544, 491840680, 541024748, 676280935, 983681360, 1082049496, 1352561870, 1967362720, 2164098992, 2705123740, 4328197984, 5410247480, 10820494960, 21640989920]

約数ペア:

[(1, 21640989920), (2, 10820494960), (4, 5410247480), (5, 4328197984), (8, 2705123740), (10, 2164098992), (11, 1967362720), (16, 1352561870), (20, 1082049496), (22, 983681360), (32, 676280935), (40, 541024748), (44, 491840680), (55, 393472544), (80, 270512374), (88, 245920340), (110, 196736272), (160, 135256187), (176, 122960170), (220, 98368136), (352, 61480085), (440, 49184068), (880, 24592034), (1760, 12296017)]