21625428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39338412

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 23, 33, 34, 44, 46, 51, 66, 68, 69, 92, 102, 132, 138, 187, 204, 253, 276, 374, 391, 419, 506, 561, 748, 759, 782, 838, 1012, 1122, 1173, 1257, 1518, 1564, 1676, 2244, 2346, 2514, 3036, 4301, 4609, 4692, 5028, 7123, 8602, 9218, 9637, 12903, 13827, 14246, 17204, 18436, 19274, 21369, 25806, 27654, 28492, 28911, 38548, 42738, 51612, 55308, 57822, 78353, 85476, 106007, 115644, 156706, 163829, 212014, 235059, 313412, 318021, 327658, 424028, 470118, 491487, 636042, 655316, 940236, 982974, 1272084, 1802119, 1965948, 3604238, 5406357, 7208476, 10812714, 21625428]

約数ペア:

[(1, 21625428), (2, 10812714), (3, 7208476), (4, 5406357), (6, 3604238), (11, 1965948), (12, 1802119), (17, 1272084), (22, 982974), (23, 940236), (33, 655316), (34, 636042), (44, 491487), (46, 470118), (51, 424028), (66, 327658), (68, 318021), (69, 313412), (92, 235059), (102, 212014), (132, 163829), (138, 156706), (187, 115644), (204, 106007), (253, 85476), (276, 78353), (374, 57822), (391, 55308), (419, 51612), (506, 42738), (561, 38548), (748, 28911), (759, 28492), (782, 27654), (838, 25806), (1012, 21369), (1122, 19274), (1173, 18436), (1257, 17204), (1518, 14246), (1564, 13827), (1676, 12903), (2244, 9637), (2346, 9218), (2514, 8602), (3036, 7123), (4301, 5028), (4609, 4692)]