21585132

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36072468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 131, 138, 199, 207, 262, 276, 393, 398, 414, 524, 597, 786, 796, 828, 1179, 1194, 1572, 1791, 2358, 2388, 3013, 3582, 4577, 4716, 6026, 7164, 9039, 9154, 12052, 13731, 18078, 18308, 26069, 27117, 27462, 36156, 41193, 52138, 54234, 54924, 78207, 82386, 104276, 108468, 156414, 164772, 234621, 312828, 469242, 599587, 938484, 1199174, 1798761, 2398348, 3597522, 5396283, 7195044, 10792566, 21585132]

約数ペア:

[(1, 21585132), (2, 10792566), (3, 7195044), (4, 5396283), (6, 3597522), (9, 2398348), (12, 1798761), (18, 1199174), (23, 938484), (36, 599587), (46, 469242), (69, 312828), (92, 234621), (131, 164772), (138, 156414), (199, 108468), (207, 104276), (262, 82386), (276, 78207), (393, 54924), (398, 54234), (414, 52138), (524, 41193), (597, 36156), (786, 27462), (796, 27117), (828, 26069), (1179, 18308), (1194, 18078), (1572, 13731), (1791, 12052), (2358, 9154), (2388, 9039), (3013, 7164), (3582, 6026), (4577, 4716)]