21312240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88801}}^1$

素因数の和:88817

約数の個数: 40

約数和(自身を含む): 66068688

約数和(自身を除く): 44756448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88801, 177602, 266403, 355204, 444005, 532806, 710408, 888010, 1065612, 1332015, 1420816, 1776020, 2131224, 2664030, 3552040, 4262448, 5328060, 7104080, 10656120, 21312240]

約数ペア:

[(1, 21312240), (2, 10656120), (3, 7104080), (4, 5328060), (5, 4262448), (6, 3552040), (8, 2664030), (10, 2131224), (12, 1776020), (15, 1420816), (16, 1332015), (20, 1065612), (24, 888010), (30, 710408), (40, 532806), (48, 444005), (60, 355204), (80, 266403), (120, 177602), (240, 88801)]