21372804176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{76537}}^1$

素因数の和:77139

約数の個数: 40

約数和(自身を含む): 42822092544

約数和(自身を除く): 21449288368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 563, 1126, 2252, 4504, 9008, 17453, 34906, 69812, 76537, 139624, 153074, 279248, 306148, 612296, 1224592, 2372647, 4745294, 9490588, 18981176, 37962352, 43090331, 86180662, 172361324, 344722648, 689445296, 1335800261, 2671600522, 5343201044, 10686402088, 21372804176]

約数ペア:

[(1, 21372804176), (2, 10686402088), (4, 5343201044), (8, 2671600522), (16, 1335800261), (31, 689445296), (62, 344722648), (124, 172361324), (248, 86180662), (496, 43090331), (563, 37962352), (1126, 18981176), (2252, 9490588), (4504, 4745294), (9008, 2372647), (17453, 1224592), (34906, 612296), (69812, 306148), (76537, 279248), (139624, 153074)]