21506226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17657}}^1$

素因数の和:17698

約数の個数: 32

約数和(自身を含む): 50855040

約数和(自身を除く): 29348814

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17657, 35314, 52971, 105942, 123599, 247198, 370797, 512053, 741594, 1024106, 1536159, 3072318, 3584371, 7168742, 10753113, 21506226]

約数ペア:

[(1, 21506226), (2, 10753113), (3, 7168742), (6, 3584371), (7, 3072318), (14, 1536159), (21, 1024106), (29, 741594), (42, 512053), (58, 370797), (87, 247198), (174, 123599), (203, 105942), (406, 52971), (609, 35314), (1218, 17657)]