21196448

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 32146912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 224, 232, 251, 364, 377, 406, 416, 464, 502, 728, 754, 812, 928, 1004, 1456, 1508, 1624, 1757, 2008, 2639, 2912, 3016, 3248, 3263, 3514, 4016, 5278, 6032, 6496, 6526, 7028, 7279, 8032, 10556, 12064, 13052, 14056, 14558, 21112, 22841, 26104, 28112, 29116, 42224, 45682, 50953, 52208, 56224, 58232, 84448, 91364, 94627, 101906, 104416, 116464, 182728, 189254, 203812, 232928, 365456, 378508, 407624, 662389, 730912, 757016, 815248, 1324778, 1514032, 1630496, 2649556, 3028064, 5299112, 10598224, 21196448]

約数ペア:

[(1, 21196448), (2, 10598224), (4, 5299112), (7, 3028064), (8, 2649556), (13, 1630496), (14, 1514032), (16, 1324778), (26, 815248), (28, 757016), (29, 730912), (32, 662389), (52, 407624), (56, 378508), (58, 365456), (91, 232928), (104, 203812), (112, 189254), (116, 182728), (182, 116464), (203, 104416), (208, 101906), (224, 94627), (232, 91364), (251, 84448), (364, 58232), (377, 56224), (406, 52208), (416, 50953), (464, 45682), (502, 42224), (728, 29116), (754, 28112), (812, 26104), (928, 22841), (1004, 21112), (1456, 14558), (1508, 14056), (1624, 13052), (1757, 12064), (2008, 10556), (2639, 8032), (2912, 7279), (3016, 7028), (3248, 6526), (3263, 6496), (3514, 6032), (4016, 5278)]