2021136555725

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3259}}^1\times {\mathrm{17989}}^1$

素因数の和:21462

約数の個数: 48

約数和(自身を含む): 2879821929600

約数和(自身を除く): 858685373875

約数列:

[1, 5, 7, 25, 35, 175, 197, 985, 1379, 3259, 4925, 6895, 16295, 17989, 22813, 34475, 81475, 89945, 114065, 125923, 449725, 570325, 629615, 642023, 3148075, 3210115, 3543833, 4494161, 16050575, 17719165, 22470805, 24806831, 58626151, 88595825, 112354025, 124034155, 293130755, 410383057, 620170775, 1465653775, 2051915285, 10259576425, 11549351747, 57746758735, 80845462229, 288733793675, 404227311145, 2021136555725]

約数ペア:

[(1, 2021136555725), (5, 404227311145), (7, 288733793675), (25, 80845462229), (35, 57746758735), (175, 11549351747), (197, 10259576425), (985, 2051915285), (1379, 1465653775), (3259, 620170775), (4925, 410383057), (6895, 293130755), (16295, 124034155), (17989, 112354025), (22813, 88595825), (34475, 58626151), (81475, 24806831), (89945, 22470805), (114065, 17719165), (125923, 16050575), (449725, 4494161), (570325, 3543833), (629615, 3210115), (642023, 3148075)]