21296670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5419}}^1$

素因数の和:5560

約数の個数: 32

約数和(自身を含む): 51511680

約数和(自身を除く): 30215010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5419, 10838, 16257, 27095, 32514, 54190, 81285, 162570, 709889, 1419778, 2129667, 3549445, 4259334, 7098890, 10648335, 21296670]

約数ペア:

[(1, 21296670), (2, 10648335), (3, 7098890), (5, 4259334), (6, 3549445), (10, 2129667), (15, 1419778), (30, 709889), (131, 162570), (262, 81285), (393, 54190), (655, 32514), (786, 27095), (1310, 16257), (1965, 10838), (3930, 5419)]