21000927285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{16091}}^1$

素因数の和:16235

約数の個数: 96

約数和(自身を含む): 41330435328

約数和(自身を除く): 20329508043

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 97, 115, 117, 195, 207, 291, 299, 345, 485, 585, 873, 897, 1035, 1261, 1455, 1495, 2231, 2691, 3783, 4365, 4485, 6305, 6693, 11155, 11349, 13455, 16091, 18915, 20079, 29003, 33465, 48273, 56745, 80455, 87009, 100395, 144819, 145015, 209183, 241365, 261027, 370093, 435045, 627549, 724095, 1045915, 1110279, 1305135, 1560827, 1850465, 1882647, 3137745, 3330837, 4682481, 4811209, 5551395, 7804135, 9413235, 14047443, 14433627, 16654185, 20290751, 23412405, 24056045, 35899021, 43300881, 60872253, 70237215, 72168135, 101453755, 107697063, 179495105, 182616759, 216504405, 304361265, 323091189, 466687273, 538485315, 913083795, 1400061819, 1615455945, 2333436365, 4200185457, 7000309095, 21000927285]

約数ペア:

[(1, 21000927285), (3, 7000309095), (5, 4200185457), (9, 2333436365), (13, 1615455945), (15, 1400061819), (23, 913083795), (39, 538485315), (45, 466687273), (65, 323091189), (69, 304361265), (97, 216504405), (115, 182616759), (117, 179495105), (195, 107697063), (207, 101453755), (291, 72168135), (299, 70237215), (345, 60872253), (485, 43300881), (585, 35899021), (873, 24056045), (897, 23412405), (1035, 20290751), (1261, 16654185), (1455, 14433627), (1495, 14047443), (2231, 9413235), (2691, 7804135), (3783, 5551395), (4365, 4811209), (4485, 4682481), (6305, 3330837), (6693, 3137745), (11155, 1882647), (11349, 1850465), (13455, 1560827), (16091, 1305135), (18915, 1110279), (20079, 1045915), (29003, 724095), (33465, 627549), (48273, 435045), (56745, 370093), (80455, 261027), (87009, 241365), (100395, 209183), (144819, 145015)]