21689670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5519}}^1$

素因数の和:5660

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 30772410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5519, 11038, 16557, 27595, 33114, 55190, 82785, 165570, 722989, 1445978, 2168967, 3614945, 4337934, 7229890, 10844835, 21689670]

約数ペア:

[(1, 21689670), (2, 10844835), (3, 7229890), (5, 4337934), (6, 3614945), (10, 2168967), (15, 1445978), (30, 722989), (131, 165570), (262, 82785), (393, 55190), (655, 33114), (786, 27595), (1310, 16557), (1965, 11038), (3930, 5519)]