21581970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1201}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 51926400

約数和(自身を除く): 30344430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 599, 1198, 1201, 1797, 2402, 2995, 3594, 3603, 5990, 6005, 7206, 8985, 12010, 17970, 18015, 36030, 719399, 1438798, 2158197, 3596995, 4316394, 7193990, 10790985, 21581970]

約数ペア:

[(1, 21581970), (2, 10790985), (3, 7193990), (5, 4316394), (6, 3596995), (10, 2158197), (15, 1438798), (30, 719399), (599, 36030), (1198, 18015), (1201, 17970), (1797, 12010), (2402, 8985), (2995, 7206), (3594, 6005), (3603, 5990)]