21706572

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 35063988

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 43, 46, 59, 62, 69, 86, 92, 93, 118, 124, 129, 138, 172, 177, 186, 236, 258, 276, 354, 372, 516, 708, 713, 989, 1333, 1357, 1426, 1829, 1978, 2139, 2537, 2666, 2714, 2852, 2967, 3658, 3956, 3999, 4071, 4278, 5074, 5332, 5428, 5487, 5934, 7316, 7611, 7998, 8142, 8556, 10148, 10974, 11868, 15222, 15996, 16284, 21948, 30444, 30659, 42067, 58351, 61318, 78647, 84134, 91977, 116702, 122636, 126201, 157294, 168268, 175053, 183954, 233404, 235941, 252402, 314588, 350106, 367908, 471882, 504804, 700212, 943764, 1808881, 3617762, 5426643, 7235524, 10853286, 21706572]

約数ペア:

[(1, 21706572), (2, 10853286), (3, 7235524), (4, 5426643), (6, 3617762), (12, 1808881), (23, 943764), (31, 700212), (43, 504804), (46, 471882), (59, 367908), (62, 350106), (69, 314588), (86, 252402), (92, 235941), (93, 233404), (118, 183954), (124, 175053), (129, 168268), (138, 157294), (172, 126201), (177, 122636), (186, 116702), (236, 91977), (258, 84134), (276, 78647), (354, 61318), (372, 58351), (516, 42067), (708, 30659), (713, 30444), (989, 21948), (1333, 16284), (1357, 15996), (1426, 15222), (1829, 11868), (1978, 10974), (2139, 10148), (2537, 8556), (2666, 8142), (2714, 7998), (2852, 7611), (2967, 7316), (3658, 5934), (3956, 5487), (3999, 5428), (4071, 5332), (4278, 5074)]