21052470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9613}}^1$

素因数の和:9696

約数の個数: 32

約数和(自身を含む): 51223392

約数和(自身を除く): 30170922

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9613, 19226, 28839, 48065, 57678, 96130, 144195, 288390, 701749, 1403498, 2105247, 3508745, 4210494, 7017490, 10526235, 21052470]

約数ペア:

[(1, 21052470), (2, 10526235), (3, 7017490), (5, 4210494), (6, 3508745), (10, 2105247), (15, 1403498), (30, 701749), (73, 288390), (146, 144195), (219, 96130), (365, 57678), (438, 48065), (730, 28839), (1095, 19226), (2190, 9613)]