21677634

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 72

約数和(自身を含む): 53218620

約数和(自身を除く): 31540986

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 121, 198, 222, 242, 269, 333, 363, 407, 538, 666, 726, 807, 814, 1089, 1221, 1614, 2178, 2421, 2442, 2959, 3663, 4477, 4842, 5918, 7326, 8877, 8954, 9953, 13431, 17754, 19906, 26631, 26862, 29859, 32549, 40293, 53262, 59718, 65098, 80586, 89577, 97647, 109483, 179154, 195294, 218966, 292941, 328449, 585882, 656898, 985347, 1204313, 1970694, 2408626, 3612939, 7225878, 10838817, 21677634]

約数ペア:

[(1, 21677634), (2, 10838817), (3, 7225878), (6, 3612939), (9, 2408626), (11, 1970694), (18, 1204313), (22, 985347), (33, 656898), (37, 585882), (66, 328449), (74, 292941), (99, 218966), (111, 195294), (121, 179154), (198, 109483), (222, 97647), (242, 89577), (269, 80586), (333, 65098), (363, 59718), (407, 53262), (538, 40293), (666, 32549), (726, 29859), (807, 26862), (814, 26631), (1089, 19906), (1221, 17754), (1614, 13431), (2178, 9953), (2421, 8954), (2442, 8877), (2959, 7326), (3663, 5918), (4477, 4842)]