21309504

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2763

約数の個数: 56

約数和(自身を含む): 57777888

約数和(自身を除く): 36468384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 2707, 3936, 5414, 7872, 8121, 10828, 16242, 21656, 32484, 43312, 64968, 86624, 110987, 129936, 173248, 221974, 259872, 332961, 443948, 519744, 665922, 887896, 1331844, 1775792, 2663688, 3551584, 5327376, 7103168, 10654752, 21309504]

約数ペア:

[(1, 21309504), (2, 10654752), (3, 7103168), (4, 5327376), (6, 3551584), (8, 2663688), (12, 1775792), (16, 1331844), (24, 887896), (32, 665922), (41, 519744), (48, 443948), (64, 332961), (82, 259872), (96, 221974), (123, 173248), (164, 129936), (192, 110987), (246, 86624), (328, 64968), (492, 43312), (656, 32484), (984, 21656), (1312, 16242), (1968, 10828), (2624, 8121), (2707, 7872), (3936, 5414)]