21087210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2399}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 29715990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2399, 2930, 4395, 4798, 7197, 8790, 11995, 14394, 23990, 35985, 71970, 702907, 1405814, 2108721, 3514535, 4217442, 7029070, 10543605, 21087210]

約数ペア:

[(1, 21087210), (2, 10543605), (3, 7029070), (5, 4217442), (6, 3514535), (10, 2108721), (15, 1405814), (30, 702907), (293, 71970), (586, 35985), (879, 23990), (1465, 14394), (1758, 11995), (2399, 8790), (2930, 7197), (4395, 4798)]