21229121115

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{989011}}^1$

素因数の和:989081

約数の個数: 40

約数和(自身を含む): 38773226448

約数和(自身を除く): 17544105333

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 4293, 7155, 21465, 989011, 2967033, 4945055, 8901099, 14835165, 26703297, 44505495, 52417583, 80109891, 133516485, 157252749, 262087915, 400549455, 471758247, 786263745, 1415274741, 2358791235, 4245824223, 7076373705, 21229121115]

約数ペア:

[(1, 21229121115), (3, 7076373705), (5, 4245824223), (9, 2358791235), (15, 1415274741), (27, 786263745), (45, 471758247), (53, 400549455), (81, 262087915), (135, 157252749), (159, 133516485), (265, 80109891), (405, 52417583), (477, 44505495), (795, 26703297), (1431, 14835165), (2385, 8901099), (4293, 4945055), (7155, 2967033), (21465, 989011)]