21333690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33863}}^1$

素因数の和:33883

約数の個数: 48

約数和(自身を含む): 63393408

約数和(自身を除く): 42059718

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33863, 67726, 101589, 169315, 203178, 237041, 304767, 338630, 474082, 507945, 609534, 711123, 1015890, 1185205, 1422246, 1523835, 2133369, 2370410, 3047670, 3555615, 4266738, 7111230, 10666845, 21333690]

約数ペア:

[(1, 21333690), (2, 10666845), (3, 7111230), (5, 4266738), (6, 3555615), (7, 3047670), (9, 2370410), (10, 2133369), (14, 1523835), (15, 1422246), (18, 1185205), (21, 1015890), (30, 711123), (35, 609534), (42, 507945), (45, 474082), (63, 338630), (70, 304767), (90, 237041), (105, 203178), (126, 169315), (210, 101589), (315, 67726), (630, 33863)]