21260064

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1898

約数の個数: 96

約数和(自身を含む): 67568256

約数和(自身を除く): 46308192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1861, 1904, 2856, 3722, 3808, 5583, 5712, 7444, 11166, 11424, 13027, 14888, 22332, 26054, 29776, 31637, 39081, 44664, 52108, 59552, 63274, 78162, 89328, 94911, 104216, 126548, 156324, 178656, 189822, 208432, 221459, 253096, 312648, 379644, 416864, 442918, 506192, 625296, 664377, 759288, 885836, 1012384, 1250592, 1328754, 1518576, 1771672, 2657508, 3037152, 3543344, 5315016, 7086688, 10630032, 21260064]

約数ペア:

[(1, 21260064), (2, 10630032), (3, 7086688), (4, 5315016), (6, 3543344), (7, 3037152), (8, 2657508), (12, 1771672), (14, 1518576), (16, 1328754), (17, 1250592), (21, 1012384), (24, 885836), (28, 759288), (32, 664377), (34, 625296), (42, 506192), (48, 442918), (51, 416864), (56, 379644), (68, 312648), (84, 253096), (96, 221459), (102, 208432), (112, 189822), (119, 178656), (136, 156324), (168, 126548), (204, 104216), (224, 94911), (238, 89328), (272, 78162), (336, 63274), (357, 59552), (408, 52108), (476, 44664), (544, 39081), (672, 31637), (714, 29776), (816, 26054), (952, 22332), (1428, 14888), (1632, 13027), (1861, 11424), (1904, 11166), (2856, 7444), (3722, 5712), (3808, 5583)]