21361290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2647}}^1$

素因数の和:2926

約数の個数: 32

約数和(自身を含む): 51477120

約数和(自身を除く): 30115830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2647, 2690, 4035, 5294, 7941, 8070, 13235, 15882, 26470, 39705, 79410, 712043, 1424086, 2136129, 3560215, 4272258, 7120430, 10680645, 21361290]

約数ペア:

[(1, 21361290), (2, 10680645), (3, 7120430), (5, 4272258), (6, 3560215), (10, 2136129), (15, 1424086), (30, 712043), (269, 79410), (538, 39705), (807, 26470), (1345, 15882), (1614, 13235), (2647, 8070), (2690, 7941), (4035, 5294)]