21018401724216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{165229}}^1\times {\mathrm{407717}}^1$

素因数の和:572968

約数の個数: 64

約数和(自身を含む): 56588485917600

約数和(自身を除く): 35570084193384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 165229, 330458, 407717, 495687, 660916, 815434, 991374, 1223151, 1321832, 1630868, 1982748, 2147977, 2446302, 3261736, 3965496, 4295954, 4892604, 5300321, 6443931, 8591908, 9785208, 10600642, 12887862, 15900963, 17183816, 21201284, 25775724, 31801926, 42402568, 51551448, 63603852, 127207704, 67366672193, 134733344386, 202100016579, 269466688772, 404200033158, 538933377544, 808400066316, 875766738509, 1616800132632, 1751533477018, 2627300215527, 3503066954036, 5254600431054, 7006133908072, 10509200862108, 21018401724216]

約数ペア:

[(1, 21018401724216), (2, 10509200862108), (3, 7006133908072), (4, 5254600431054), (6, 3503066954036), (8, 2627300215527), (12, 1751533477018), (13, 1616800132632), (24, 875766738509), (26, 808400066316), (39, 538933377544), (52, 404200033158), (78, 269466688772), (104, 202100016579), (156, 134733344386), (312, 67366672193), (165229, 127207704), (330458, 63603852), (407717, 51551448), (495687, 42402568), (660916, 31801926), (815434, 25775724), (991374, 21201284), (1223151, 17183816), (1321832, 15900963), (1630868, 12887862), (1982748, 10600642), (2147977, 9785208), (2446302, 8591908), (3261736, 6443931), (3965496, 5300321), (4295954, 4892604)]