21000316635

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6763387}}^1$

素因数の和:6763424

約数の個数: 32

約数和(自身を含む): 38957114880

約数和(自身を除く): 17956798245

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6763387, 20290161, 33816935, 60870483, 101450805, 155557901, 182611449, 304352415, 466673703, 777789505, 913057245, 1400021109, 2333368515, 4200063327, 7000105545, 21000316635]

約数ペア:

[(1, 21000316635), (3, 7000105545), (5, 4200063327), (9, 2333368515), (15, 1400021109), (23, 913057245), (27, 777789505), (45, 466673703), (69, 304352415), (115, 182611449), (135, 155557901), (207, 101450805), (345, 60870483), (621, 33816935), (1035, 20290161), (3105, 6763387)]