21574238980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{14717}}^1$

素因数の和:15053

約数の個数: 96

約数和(自身を含む): 53369116416

約数和(自身を除く): 31794877436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 283, 370, 518, 566, 740, 1036, 1132, 1295, 1415, 1981, 2590, 2830, 3962, 5180, 5660, 7924, 9905, 10471, 14717, 19810, 20942, 29434, 39620, 41884, 52355, 58868, 73297, 73585, 103019, 104710, 146594, 147170, 206038, 209420, 293188, 294340, 366485, 412076, 515095, 544529, 732970, 1030190, 1089058, 1465940, 2060380, 2178116, 2722645, 3811703, 4164911, 5445290, 7623406, 8329822, 10890580, 15246812, 16659644, 19058515, 20824555, 29154377, 38117030, 41649110, 58308754, 76234060, 83298220, 116617508, 145771885, 154101707, 291543770, 308203414, 583087540, 616406828, 770508535, 1078711949, 1541017070, 2157423898, 3082034140, 4314847796, 5393559745, 10787119490, 21574238980]

約数ペア:

[(1, 21574238980), (2, 10787119490), (4, 5393559745), (5, 4314847796), (7, 3082034140), (10, 2157423898), (14, 1541017070), (20, 1078711949), (28, 770508535), (35, 616406828), (37, 583087540), (70, 308203414), (74, 291543770), (140, 154101707), (148, 145771885), (185, 116617508), (259, 83298220), (283, 76234060), (370, 58308754), (518, 41649110), (566, 38117030), (740, 29154377), (1036, 20824555), (1132, 19058515), (1295, 16659644), (1415, 15246812), (1981, 10890580), (2590, 8329822), (2830, 7623406), (3962, 5445290), (5180, 4164911), (5660, 3811703), (7924, 2722645), (9905, 2178116), (10471, 2060380), (14717, 1465940), (19810, 1089058), (20942, 1030190), (29434, 732970), (39620, 544529), (41884, 515095), (52355, 412076), (58868, 366485), (73297, 294340), (73585, 293188), (103019, 209420), (104710, 206038), (146594, 147170)]