21261810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1409}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 29904270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 503, 1006, 1409, 1509, 2515, 2818, 3018, 4227, 5030, 7045, 7545, 8454, 14090, 15090, 21135, 42270, 708727, 1417454, 2126181, 3543635, 4252362, 7087270, 10630905, 21261810]

約数ペア:

[(1, 21261810), (2, 10630905), (3, 7087270), (5, 4252362), (6, 3543635), (10, 2126181), (15, 1417454), (30, 708727), (503, 42270), (1006, 21135), (1409, 15090), (1509, 14090), (2515, 8454), (2818, 7545), (3018, 7045), (4227, 5030)]