21291363910

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1\times {\mathrm{32119}}^1$

素因数の和:32716

約数の個数: 32

約数和(自身を含む): 38667340800

約数和(自身を除く): 17375976890

約数列:

[1, 2, 5, 10, 151, 302, 439, 755, 878, 1510, 2195, 4390, 32119, 64238, 66289, 132578, 160595, 321190, 331445, 662890, 4849969, 9699938, 14100241, 24249845, 28200482, 48499690, 70501205, 141002410, 2129136391, 4258272782, 10645681955, 21291363910]

約数ペア:

[(1, 21291363910), (2, 10645681955), (5, 4258272782), (10, 2129136391), (151, 141002410), (302, 70501205), (439, 48499690), (755, 28200482), (878, 24249845), (1510, 14100241), (2195, 9699938), (4390, 4849969), (32119, 662890), (64238, 331445), (66289, 321190), (132578, 160595)]