21319584

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 96

約数和(自身を含む): 65790144

約数和(自身を除く): 44470560

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 176, 208, 264, 286, 312, 352, 416, 429, 528, 572, 624, 858, 1056, 1144, 1248, 1553, 1716, 2288, 3106, 3432, 4576, 4659, 6212, 6864, 9318, 12424, 13728, 17083, 18636, 20189, 24848, 34166, 37272, 40378, 49696, 51249, 60567, 68332, 74544, 80756, 102498, 121134, 136664, 149088, 161512, 204996, 222079, 242268, 273328, 323024, 409992, 444158, 484536, 546656, 646048, 666237, 819984, 888316, 969072, 1332474, 1639968, 1776632, 1938144, 2664948, 3553264, 5329896, 7106528, 10659792, 21319584]

約数ペア:

[(1, 21319584), (2, 10659792), (3, 7106528), (4, 5329896), (6, 3553264), (8, 2664948), (11, 1938144), (12, 1776632), (13, 1639968), (16, 1332474), (22, 969072), (24, 888316), (26, 819984), (32, 666237), (33, 646048), (39, 546656), (44, 484536), (48, 444158), (52, 409992), (66, 323024), (78, 273328), (88, 242268), (96, 222079), (104, 204996), (132, 161512), (143, 149088), (156, 136664), (176, 121134), (208, 102498), (264, 80756), (286, 74544), (312, 68332), (352, 60567), (416, 51249), (429, 49696), (528, 40378), (572, 37272), (624, 34166), (858, 24848), (1056, 20189), (1144, 18636), (1248, 17083), (1553, 13728), (1716, 12424), (2288, 9318), (3106, 6864), (3432, 6212), (4576, 4659)]