21479910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1117}}^1$

素因数の和:1768

約数の個数: 32

約数和(自身を含む): 51678432

約数和(自身を除く): 30198522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1117, 1282, 1923, 2234, 3205, 3351, 3846, 5585, 6410, 6702, 9615, 11170, 16755, 19230, 33510, 715997, 1431994, 2147991, 3579985, 4295982, 7159970, 10739955, 21479910]

約数ペア:

[(1, 21479910), (2, 10739955), (3, 7159970), (5, 4295982), (6, 3579985), (10, 2147991), (15, 1431994), (30, 715997), (641, 33510), (1117, 19230), (1282, 16755), (1923, 11170), (2234, 9615), (3205, 6702), (3351, 6410), (3846, 5585)]