21365448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 60668160

約数和(自身を除く): 39302712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 47, 52, 62, 78, 93, 94, 104, 124, 141, 156, 186, 188, 248, 282, 312, 372, 376, 403, 564, 611, 744, 806, 1128, 1209, 1222, 1457, 1612, 1833, 2209, 2418, 2444, 2914, 3224, 3666, 4371, 4418, 4836, 4888, 5828, 6627, 7332, 8742, 8836, 9672, 11656, 13254, 14664, 17484, 17672, 18941, 26508, 28717, 34968, 37882, 53016, 56823, 57434, 68479, 75764, 86151, 113646, 114868, 136958, 151528, 172302, 205437, 227292, 229736, 273916, 344604, 410874, 454584, 547832, 689208, 821748, 890227, 1643496, 1780454, 2670681, 3560908, 5341362, 7121816, 10682724, 21365448]

約数ペア:

[(1, 21365448), (2, 10682724), (3, 7121816), (4, 5341362), (6, 3560908), (8, 2670681), (12, 1780454), (13, 1643496), (24, 890227), (26, 821748), (31, 689208), (39, 547832), (47, 454584), (52, 410874), (62, 344604), (78, 273916), (93, 229736), (94, 227292), (104, 205437), (124, 172302), (141, 151528), (156, 136958), (186, 114868), (188, 113646), (248, 86151), (282, 75764), (312, 68479), (372, 57434), (376, 56823), (403, 53016), (564, 37882), (611, 34968), (744, 28717), (806, 26508), (1128, 18941), (1209, 17672), (1222, 17484), (1457, 14664), (1612, 13254), (1833, 11656), (2209, 9672), (2418, 8836), (2444, 8742), (2914, 7332), (3224, 6627), (3666, 5828), (4371, 4888), (4418, 4836)]