21277290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1601}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 51212736

約数和(自身を除く): 29935446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 1601, 2215, 2658, 3202, 4430, 4803, 6645, 8005, 9606, 13290, 16010, 24015, 48030, 709243, 1418486, 2127729, 3546215, 4255458, 7092430, 10638645, 21277290]

約数ペア:

[(1, 21277290), (2, 10638645), (3, 7092430), (5, 4255458), (6, 3546215), (10, 2127729), (15, 1418486), (30, 709243), (443, 48030), (886, 24015), (1329, 16010), (1601, 13290), (2215, 9606), (2658, 8005), (3202, 6645), (4430, 4803)]