21304092

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 34579428

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 43, 53, 57, 76, 82, 86, 106, 114, 123, 129, 159, 164, 172, 212, 228, 246, 258, 318, 492, 516, 636, 779, 817, 1007, 1558, 1634, 1763, 2014, 2173, 2279, 2337, 2451, 3021, 3116, 3268, 3526, 4028, 4346, 4558, 4674, 4902, 5289, 6042, 6519, 6837, 7052, 8692, 9116, 9348, 9804, 10578, 12084, 13038, 13674, 21156, 26076, 27348, 33497, 41287, 43301, 66994, 82574, 86602, 93439, 100491, 123861, 129903, 133988, 165148, 173204, 186878, 200982, 247722, 259806, 280317, 373756, 401964, 495444, 519612, 560634, 1121268, 1775341, 3550682, 5326023, 7101364, 10652046, 21304092]

約数ペア:

[(1, 21304092), (2, 10652046), (3, 7101364), (4, 5326023), (6, 3550682), (12, 1775341), (19, 1121268), (38, 560634), (41, 519612), (43, 495444), (53, 401964), (57, 373756), (76, 280317), (82, 259806), (86, 247722), (106, 200982), (114, 186878), (123, 173204), (129, 165148), (159, 133988), (164, 129903), (172, 123861), (212, 100491), (228, 93439), (246, 86602), (258, 82574), (318, 66994), (492, 43301), (516, 41287), (636, 33497), (779, 27348), (817, 26076), (1007, 21156), (1558, 13674), (1634, 13038), (1763, 12084), (2014, 10578), (2173, 9804), (2279, 9348), (2337, 9116), (2451, 8692), (3021, 7052), (3116, 6837), (3268, 6519), (3526, 6042), (4028, 5289), (4346, 4902), (4558, 4674)]