21586818055

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{7039}}^1$

素因数の和:7240

約数の個数: 48

約数和(自身を含む): 29460372480

約数和(自身を除く): 7873554425

約数列:

[1, 5, 11, 37, 55, 121, 137, 185, 407, 605, 685, 1507, 2035, 4477, 5069, 7039, 7535, 16577, 22385, 25345, 35195, 55759, 77429, 82885, 260443, 278795, 387145, 613349, 851719, 964343, 1302215, 2864873, 3066745, 4258595, 4821715, 10607773, 14324365, 31513603, 35680691, 53038865, 116685503, 157568015, 178403455, 392487601, 583427515, 1962438005, 4317363611, 21586818055]

約数ペア:

[(1, 21586818055), (5, 4317363611), (11, 1962438005), (37, 583427515), (55, 392487601), (121, 178403455), (137, 157568015), (185, 116685503), (407, 53038865), (605, 35680691), (685, 31513603), (1507, 14324365), (2035, 10607773), (4477, 4821715), (5069, 4258595), (7039, 3066745), (7535, 2864873), (16577, 1302215), (22385, 964343), (25345, 851719), (35195, 613349), (55759, 387145), (77429, 278795), (82885, 260443)]