21799560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 43907640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 467, 778, 934, 1167, 1401, 1556, 1868, 1945, 2334, 2335, 2802, 3112, 3736, 3890, 4668, 4670, 5604, 5835, 7005, 7780, 9336, 9340, 11208, 11670, 14010, 15560, 18680, 23340, 28020, 46680, 56040, 181663, 363326, 544989, 726652, 908315, 1089978, 1453304, 1816630, 2179956, 2724945, 3633260, 4359912, 5449890, 7266520, 10899780, 21799560]

約数ペア:

[(1, 21799560), (2, 10899780), (3, 7266520), (4, 5449890), (5, 4359912), (6, 3633260), (8, 2724945), (10, 2179956), (12, 1816630), (15, 1453304), (20, 1089978), (24, 908315), (30, 726652), (40, 544989), (60, 363326), (120, 181663), (389, 56040), (467, 46680), (778, 28020), (934, 23340), (1167, 18680), (1401, 15560), (1556, 14010), (1868, 11670), (1945, 11208), (2334, 9340), (2335, 9336), (2802, 7780), (3112, 7005), (3736, 5835), (3890, 5604), (4668, 4670)]