21675365984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{352973}}^1$

素因数の和:353103

約数の個数: 48

約数和(自身を含む): 45364218480

約数和(自身を除く): 23688852496

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 404, 608, 808, 1616, 1919, 3232, 3838, 7676, 15352, 30704, 61408, 352973, 705946, 1411892, 2823784, 5647568, 6706487, 11295136, 13412974, 26825948, 35650273, 53651896, 71300546, 107303792, 142601092, 214607584, 285202184, 570404368, 677355187, 1140808736, 1354710374, 2709420748, 5418841496, 10837682992, 21675365984]

約数ペア:

[(1, 21675365984), (2, 10837682992), (4, 5418841496), (8, 2709420748), (16, 1354710374), (19, 1140808736), (32, 677355187), (38, 570404368), (76, 285202184), (101, 214607584), (152, 142601092), (202, 107303792), (304, 71300546), (404, 53651896), (608, 35650273), (808, 26825948), (1616, 13412974), (1919, 11295136), (3232, 6706487), (3838, 5647568), (7676, 2823784), (15352, 1411892), (30704, 705946), (61408, 352973)]