21488022

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 48676992

約数和(自身を除く): 27188970

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 97, 186, 194, 279, 291, 397, 558, 582, 794, 873, 1191, 1746, 2382, 3007, 3573, 6014, 7146, 9021, 12307, 18042, 24614, 27063, 36921, 38509, 54126, 73842, 77018, 110763, 115527, 221526, 231054, 346581, 693162, 1193779, 2387558, 3581337, 7162674, 10744011, 21488022]

約数ペア:

[(1, 21488022), (2, 10744011), (3, 7162674), (6, 3581337), (9, 2387558), (18, 1193779), (31, 693162), (62, 346581), (93, 231054), (97, 221526), (186, 115527), (194, 110763), (279, 77018), (291, 73842), (397, 54126), (558, 38509), (582, 36921), (794, 27063), (873, 24614), (1191, 18042), (1746, 12307), (2382, 9021), (3007, 7146), (3573, 6014)]