210004921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 256608000

約数和(自身を除く): 46603079

約数列:

[1, 7, 29, 53, 131, 149, 203, 371, 917, 1043, 1537, 3799, 4321, 6943, 7897, 10759, 19519, 26593, 30247, 48601, 55279, 136633, 201347, 229013, 566051, 1034507, 1409429, 1603091, 3962357, 7241549, 30000703, 210004921]

約数ペア:

[(1, 210004921), (7, 30000703), (29, 7241549), (53, 3962357), (131, 1603091), (149, 1409429), (203, 1034507), (371, 566051), (917, 229013), (1043, 201347), (1537, 136633), (3799, 55279), (4321, 48601), (6943, 30247), (7897, 26593), (10759, 19519)]