21027774

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 43401600

約数和(自身を除く): 22373826

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 547, 894, 1094, 1641, 3282, 6407, 12814, 19221, 23521, 38442, 47042, 70563, 81503, 141126, 163006, 244509, 489018, 3504629, 7009258, 10513887, 21027774]

約数ペア:

[(1, 21027774), (2, 10513887), (3, 7009258), (6, 3504629), (43, 489018), (86, 244509), (129, 163006), (149, 141126), (258, 81503), (298, 70563), (447, 47042), (547, 38442), (894, 23521), (1094, 19221), (1641, 12814), (3282, 6407)]