21701310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15391}}^1$

素因数の和:15448

約数の個数: 32

約数和(自身を含む): 53194752

約数和(自身を除く): 31493442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15391, 30782, 46173, 76955, 92346, 153910, 230865, 461730, 723377, 1446754, 2170131, 3616885, 4340262, 7233770, 10850655, 21701310]

約数ペア:

[(1, 21701310), (2, 10850655), (3, 7233770), (5, 4340262), (6, 3616885), (10, 2170131), (15, 1446754), (30, 723377), (47, 461730), (94, 230865), (141, 153910), (235, 92346), (282, 76955), (470, 46173), (705, 30782), (1410, 15391)]