2021216540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{4157}}^1$

素因数の和:4347

約数の個数: 96

約数和(自身を含む): 5096577024

約数和(自身を除く): 3075360484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 151, 161, 230, 302, 322, 460, 604, 644, 755, 805, 1057, 1510, 1610, 2114, 3020, 3220, 3473, 4157, 4228, 5285, 6946, 8314, 10570, 13892, 16628, 17365, 20785, 21140, 24311, 29099, 34730, 41570, 48622, 58198, 69460, 83140, 95611, 97244, 116396, 121555, 145495, 191222, 243110, 290990, 382444, 478055, 486220, 581980, 627707, 669277, 956110, 1255414, 1338554, 1912220, 2510828, 2677108, 3138535, 3346385, 4393949, 6277070, 6692770, 8787898, 12554140, 13385540, 14437261, 17575796, 21969745, 28874522, 43939490, 57749044, 72186305, 87878980, 101060827, 144372610, 202121654, 288745220, 404243308, 505304135, 1010608270, 2021216540]

約数ペア:

[(1, 2021216540), (2, 1010608270), (4, 505304135), (5, 404243308), (7, 288745220), (10, 202121654), (14, 144372610), (20, 101060827), (23, 87878980), (28, 72186305), (35, 57749044), (46, 43939490), (70, 28874522), (92, 21969745), (115, 17575796), (140, 14437261), (151, 13385540), (161, 12554140), (230, 8787898), (302, 6692770), (322, 6277070), (460, 4393949), (604, 3346385), (644, 3138535), (755, 2677108), (805, 2510828), (1057, 1912220), (1510, 1338554), (1610, 1255414), (2114, 956110), (3020, 669277), (3220, 627707), (3473, 581980), (4157, 486220), (4228, 478055), (5285, 382444), (6946, 290990), (8314, 243110), (10570, 191222), (13892, 145495), (16628, 121555), (17365, 116396), (20785, 97244), (21140, 95611), (24311, 83140), (29099, 69460), (34730, 58198), (41570, 48622)]