21751590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14797}}^1$

素因数の和:14821

約数の個数: 48

約数和(自身を含む): 60730992

約数和(自身を除く): 38979402

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14797, 29594, 44391, 73985, 88782, 103579, 147970, 207158, 221955, 310737, 443910, 517895, 621474, 725053, 1035790, 1450106, 1553685, 2175159, 3107370, 3625265, 4350318, 7250530, 10875795, 21751590]

約数ペア:

[(1, 21751590), (2, 10875795), (3, 7250530), (5, 4350318), (6, 3625265), (7, 3107370), (10, 2175159), (14, 1553685), (15, 1450106), (21, 1035790), (30, 725053), (35, 621474), (42, 517895), (49, 443910), (70, 310737), (98, 221955), (105, 207158), (147, 147970), (210, 103579), (245, 88782), (294, 73985), (490, 44391), (735, 29594), (1470, 14797)]