21425130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2357}}^1$

素因数の和:2471

約数の個数: 48

約数和(自身を含む): 56280744

約数和(自身を除く): 34855614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 2357, 3030, 4545, 4714, 7071, 9090, 11785, 14142, 21213, 23570, 35355, 42426, 70710, 106065, 212130, 238057, 476114, 714171, 1190285, 1428342, 2142513, 2380570, 3570855, 4285026, 7141710, 10712565, 21425130]

約数ペア:

[(1, 21425130), (2, 10712565), (3, 7141710), (5, 4285026), (6, 3570855), (9, 2380570), (10, 2142513), (15, 1428342), (18, 1190285), (30, 714171), (45, 476114), (90, 238057), (101, 212130), (202, 106065), (303, 70710), (505, 42426), (606, 35355), (909, 23570), (1010, 21213), (1515, 14142), (1818, 11785), (2357, 9090), (3030, 7071), (4545, 4714)]