21222480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88427}}^1$

素因数の和:88443

約数の個数: 40

約数和(自身を含む): 65790432

約数和(自身を除く): 44567952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88427, 176854, 265281, 353708, 442135, 530562, 707416, 884270, 1061124, 1326405, 1414832, 1768540, 2122248, 2652810, 3537080, 4244496, 5305620, 7074160, 10611240, 21222480]

約数ペア:

[(1, 21222480), (2, 10611240), (3, 7074160), (4, 5305620), (5, 4244496), (6, 3537080), (8, 2652810), (10, 2122248), (12, 1768540), (15, 1414832), (16, 1326405), (20, 1061124), (24, 884270), (30, 707416), (40, 530562), (48, 442135), (60, 353708), (80, 265281), (120, 176854), (240, 88427)]