21437170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2683}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 41741568

約数和(自身を除く): 20304398

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2683, 3995, 5366, 7990, 13415, 26830, 45611, 91222, 126101, 228055, 252202, 456110, 630505, 1261010, 2143717, 4287434, 10718585, 21437170]

約数ペア:

[(1, 21437170), (2, 10718585), (5, 4287434), (10, 2143717), (17, 1261010), (34, 630505), (47, 456110), (85, 252202), (94, 228055), (170, 126101), (235, 91222), (470, 45611), (799, 26830), (1598, 13415), (2683, 7990), (3995, 5366)]