21459372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 59076864

約数和(自身を除く): 37617492

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 73, 102, 131, 132, 146, 187, 204, 219, 262, 292, 374, 393, 438, 524, 561, 748, 786, 803, 876, 1122, 1241, 1441, 1572, 1606, 2227, 2244, 2409, 2482, 2882, 3212, 3723, 4323, 4454, 4818, 4964, 5764, 6681, 7446, 8646, 8908, 9563, 9636, 13362, 13651, 14892, 17292, 19126, 24497, 26724, 27302, 28689, 38252, 40953, 48994, 54604, 57378, 73491, 81906, 97988, 105193, 114756, 146982, 162571, 163812, 210386, 293964, 315579, 325142, 420772, 487713, 631158, 650284, 975426, 1262316, 1788281, 1950852, 3576562, 5364843, 7153124, 10729686, 21459372]

約数ペア:

[(1, 21459372), (2, 10729686), (3, 7153124), (4, 5364843), (6, 3576562), (11, 1950852), (12, 1788281), (17, 1262316), (22, 975426), (33, 650284), (34, 631158), (44, 487713), (51, 420772), (66, 325142), (68, 315579), (73, 293964), (102, 210386), (131, 163812), (132, 162571), (146, 146982), (187, 114756), (204, 105193), (219, 97988), (262, 81906), (292, 73491), (374, 57378), (393, 54604), (438, 48994), (524, 40953), (561, 38252), (748, 28689), (786, 27302), (803, 26724), (876, 24497), (1122, 19126), (1241, 17292), (1441, 14892), (1572, 13651), (1606, 13362), (2227, 9636), (2244, 9563), (2409, 8908), (2482, 8646), (2882, 7446), (3212, 6681), (3723, 5764), (4323, 4964), (4454, 4818)]