21498974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 17277346

約数列:

[1, 2, 7, 14, 23, 46, 161, 179, 322, 358, 373, 746, 1253, 2506, 2611, 4117, 5222, 8234, 8579, 17158, 28819, 57638, 60053, 66767, 120106, 133534, 467369, 934738, 1535641, 3071282, 10749487, 21498974]

約数ペア:

[(1, 21498974), (2, 10749487), (7, 3071282), (14, 1535641), (23, 934738), (46, 467369), (161, 133534), (179, 120106), (322, 66767), (358, 60053), (373, 57638), (746, 28819), (1253, 17158), (2506, 8579), (2611, 8234), (4117, 5222)]