21918740864

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{607}}^1\times {\mathrm{3571}}^1$

素因数の和:4271

約数の個数: 64

約数和(自身を含む): 44304230400

約数和(自身を除く): 22385489536

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 607, 632, 1214, 1264, 2428, 2528, 3571, 4856, 5056, 7142, 9712, 10112, 14284, 19424, 28568, 38848, 47953, 57136, 77696, 95906, 114272, 191812, 228544, 282109, 383624, 457088, 564218, 767248, 1128436, 1534496, 2167597, 2256872, 3068992, 4335194, 4513744, 6137984, 8670388, 9027488, 17340776, 18054976, 34681552, 36109952, 69363104, 138726208, 171240163, 277452416, 342480326, 684960652, 1369921304, 2739842608, 5479685216, 10959370432, 21918740864]

約数ペア:

[(1, 21918740864), (2, 10959370432), (4, 5479685216), (8, 2739842608), (16, 1369921304), (32, 684960652), (64, 342480326), (79, 277452416), (128, 171240163), (158, 138726208), (316, 69363104), (607, 36109952), (632, 34681552), (1214, 18054976), (1264, 17340776), (2428, 9027488), (2528, 8670388), (3571, 6137984), (4856, 4513744), (5056, 4335194), (7142, 3068992), (9712, 2256872), (10112, 2167597), (14284, 1534496), (19424, 1128436), (28568, 767248), (38848, 564218), (47953, 457088), (57136, 383624), (77696, 282109), (95906, 228544), (114272, 191812)]