21311712

素因数分解:

$2^5\times 3^2\times {\mathrm{73999}}^1$

素因数の和:74015

約数の個数: 36

約数和(自身を含む): 60606000

約数和(自身を除く): 39294288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73999, 147998, 221997, 295996, 443994, 591992, 665991, 887988, 1183984, 1331982, 1775976, 2367968, 2663964, 3551952, 5327928, 7103904, 10655856, 21311712]

約数ペア:

[(1, 21311712), (2, 10655856), (3, 7103904), (4, 5327928), (6, 3551952), (8, 2663964), (9, 2367968), (12, 1775976), (16, 1331982), (18, 1183984), (24, 887988), (32, 665991), (36, 591992), (48, 443994), (72, 295996), (96, 221997), (144, 147998), (288, 73999)]