21340170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3619

約数の個数: 48

約数和(自身を含む): 56328480

約数和(自身を除く): 34988310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3539, 6030, 7078, 10617, 17695, 21234, 31851, 35390, 53085, 63702, 106170, 159255, 237113, 318510, 474226, 711339, 1185565, 1422678, 2134017, 2371130, 3556695, 4268034, 7113390, 10670085, 21340170]

約数ペア:

[(1, 21340170), (2, 10670085), (3, 7113390), (5, 4268034), (6, 3556695), (9, 2371130), (10, 2134017), (15, 1422678), (18, 1185565), (30, 711339), (45, 474226), (67, 318510), (90, 237113), (134, 159255), (201, 106170), (335, 63702), (402, 53085), (603, 35390), (670, 31851), (1005, 21234), (1206, 17695), (2010, 10617), (3015, 7078), (3539, 6030)]