21510396

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12713}}^1$

素因数の和:12770

約数の個数: 36

約数和(自身を含む): 55534752

約数和(自身を除く): 34024356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12713, 25426, 38139, 50852, 76278, 114417, 152556, 228834, 457668, 597511, 1195022, 1792533, 2390044, 3585066, 5377599, 7170132, 10755198, 21510396]

約数ペア:

[(1, 21510396), (2, 10755198), (3, 7170132), (4, 5377599), (6, 3585066), (9, 2390044), (12, 1792533), (18, 1195022), (36, 597511), (47, 457668), (94, 228834), (141, 152556), (188, 114417), (282, 76278), (423, 50852), (564, 38139), (846, 25426), (1692, 12713)]