21641520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90173}}^1$

素因数の和:90189

約数の個数: 40

約数和(自身を含む): 67089456

約数和(自身を除く): 45447936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90173, 180346, 270519, 360692, 450865, 541038, 721384, 901730, 1082076, 1352595, 1442768, 1803460, 2164152, 2705190, 3606920, 4328304, 5410380, 7213840, 10820760, 21641520]

約数ペア:

[(1, 21641520), (2, 10820760), (3, 7213840), (4, 5410380), (5, 4328304), (6, 3606920), (8, 2705190), (10, 2164152), (12, 1803460), (15, 1442768), (16, 1352595), (20, 1082076), (24, 901730), (30, 721384), (40, 541038), (48, 450865), (60, 360692), (80, 270519), (120, 180346), (240, 90173)]