21081708

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 108

約数和(自身を含む): 59179848

約数和(自身を除く): 38098140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 41, 46, 54, 69, 81, 82, 92, 108, 123, 138, 162, 164, 207, 243, 246, 276, 324, 369, 414, 486, 492, 529, 621, 738, 828, 943, 972, 1058, 1107, 1242, 1476, 1587, 1863, 1886, 2116, 2214, 2484, 2829, 3174, 3321, 3726, 3772, 4428, 4761, 5589, 5658, 6348, 6642, 7452, 8487, 9522, 9963, 11178, 11316, 13284, 14283, 16974, 19044, 19926, 21689, 22356, 25461, 28566, 33948, 39852, 42849, 43378, 50922, 57132, 65067, 76383, 85698, 86756, 101844, 128547, 130134, 152766, 171396, 195201, 229149, 257094, 260268, 305532, 390402, 458298, 514188, 585603, 780804, 916596, 1171206, 1756809, 2342412, 3513618, 5270427, 7027236, 10540854, 21081708]

約数ペア:

[(1, 21081708), (2, 10540854), (3, 7027236), (4, 5270427), (6, 3513618), (9, 2342412), (12, 1756809), (18, 1171206), (23, 916596), (27, 780804), (36, 585603), (41, 514188), (46, 458298), (54, 390402), (69, 305532), (81, 260268), (82, 257094), (92, 229149), (108, 195201), (123, 171396), (138, 152766), (162, 130134), (164, 128547), (207, 101844), (243, 86756), (246, 85698), (276, 76383), (324, 65067), (369, 57132), (414, 50922), (486, 43378), (492, 42849), (529, 39852), (621, 33948), (738, 28566), (828, 25461), (943, 22356), (972, 21689), (1058, 19926), (1107, 19044), (1242, 16974), (1476, 14283), (1587, 13284), (1863, 11316), (1886, 11178), (2116, 9963), (2214, 9522), (2484, 8487), (2829, 7452), (3174, 6642), (3321, 6348), (3726, 5658), (3772, 5589), (4428, 4761)]