21516039972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85381111}}^1$

素因数の和:85381128

約数の個数: 36

約数和(自身を含む): 62157449536

約数和(自身を除く): 40641409564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85381111, 170762222, 256143333, 341524444, 512286666, 597667777, 768429999, 1024573332, 1195335554, 1536859998, 1793003331, 2390671108, 3073719996, 3586006662, 5379009993, 7172013324, 10758019986, 21516039972]

約数ペア:

[(1, 21516039972), (2, 10758019986), (3, 7172013324), (4, 5379009993), (6, 3586006662), (7, 3073719996), (9, 2390671108), (12, 1793003331), (14, 1536859998), (18, 1195335554), (21, 1024573332), (28, 768429999), (36, 597667777), (42, 512286666), (63, 341524444), (84, 256143333), (126, 170762222), (252, 85381111)]