21727920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90533}}^1$

素因数の和:90549

約数の個数: 40

約数和(自身を含む): 67357296

約数和(自身を除く): 45629376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90533, 181066, 271599, 362132, 452665, 543198, 724264, 905330, 1086396, 1357995, 1448528, 1810660, 2172792, 2715990, 3621320, 4345584, 5431980, 7242640, 10863960, 21727920]

約数ペア:

[(1, 21727920), (2, 10863960), (3, 7242640), (4, 5431980), (5, 4345584), (6, 3621320), (8, 2715990), (10, 2172792), (12, 1810660), (15, 1448528), (16, 1357995), (20, 1086396), (24, 905330), (30, 724264), (40, 543198), (48, 452665), (60, 362132), (80, 271599), (120, 181066), (240, 90533)]