21731010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14783}}^1$

素因数の和:14807

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 38942526

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14783, 29566, 44349, 73915, 88698, 103481, 147830, 206962, 221745, 310443, 443490, 517405, 620886, 724367, 1034810, 1448734, 1552215, 2173101, 3104430, 3621835, 4346202, 7243670, 10865505, 21731010]

約数ペア:

[(1, 21731010), (2, 10865505), (3, 7243670), (5, 4346202), (6, 3621835), (7, 3104430), (10, 2173101), (14, 1552215), (15, 1448734), (21, 1034810), (30, 724367), (35, 620886), (42, 517405), (49, 443490), (70, 310443), (98, 221745), (105, 206962), (147, 147830), (210, 103481), (245, 88698), (294, 73915), (490, 44349), (735, 29566), (1470, 14783)]