21310320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88793}}^1$

素因数の和:88809

約数の個数: 40

約数和(自身を含む): 66062736

約数和(自身を除く): 44752416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88793, 177586, 266379, 355172, 443965, 532758, 710344, 887930, 1065516, 1331895, 1420688, 1775860, 2131032, 2663790, 3551720, 4262064, 5327580, 7103440, 10655160, 21310320]

約数ペア:

[(1, 21310320), (2, 10655160), (3, 7103440), (4, 5327580), (5, 4262064), (6, 3551720), (8, 2663790), (10, 2131032), (12, 1775860), (15, 1420688), (16, 1331895), (20, 1065516), (24, 887930), (30, 710344), (40, 532758), (48, 443965), (60, 355172), (80, 266379), (120, 177586), (240, 88793)]