21685734

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1114

約数の個数: 72

約数和(自身を含む): 57086640

約数和(自身を除く): 35400906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1069, 1127, 1449, 2138, 2254, 2898, 3207, 3381, 6414, 6762, 7483, 9621, 10143, 14966, 19242, 20286, 22449, 24587, 44898, 49174, 52381, 67347, 73761, 104762, 134694, 147522, 157143, 172109, 221283, 314286, 344218, 442566, 471429, 516327, 942858, 1032654, 1204763, 1548981, 2409526, 3097962, 3614289, 7228578, 10842867, 21685734]

約数ペア:

[(1, 21685734), (2, 10842867), (3, 7228578), (6, 3614289), (7, 3097962), (9, 2409526), (14, 1548981), (18, 1204763), (21, 1032654), (23, 942858), (42, 516327), (46, 471429), (49, 442566), (63, 344218), (69, 314286), (98, 221283), (126, 172109), (138, 157143), (147, 147522), (161, 134694), (207, 104762), (294, 73761), (322, 67347), (414, 52381), (441, 49174), (483, 44898), (882, 24587), (966, 22449), (1069, 20286), (1127, 19242), (1449, 14966), (2138, 10143), (2254, 9621), (2898, 7483), (3207, 6762), (3381, 6414)]