21291363950

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1319}}^1\times {\mathrm{2857}}^1$

素因数の和:4301

約数の個数: 48

約数和(自身を含む): 39996681120

約数和(自身を除く): 18705317170

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 1319, 2638, 2825, 2857, 5650, 5714, 6595, 13190, 14285, 28570, 32975, 65950, 71425, 142850, 149047, 298094, 322841, 645682, 745235, 1490470, 1614205, 3228410, 3726175, 3768383, 7452350, 7536766, 8071025, 16142050, 18841915, 37683830, 94209575, 188419150, 425827279, 851654558, 2129136395, 4258272790, 10645681975, 21291363950]

約数ペア:

[(1, 21291363950), (2, 10645681975), (5, 4258272790), (10, 2129136395), (25, 851654558), (50, 425827279), (113, 188419150), (226, 94209575), (565, 37683830), (1130, 18841915), (1319, 16142050), (2638, 8071025), (2825, 7536766), (2857, 7452350), (5650, 3768383), (5714, 3726175), (6595, 3228410), (13190, 1614205), (14285, 1490470), (28570, 745235), (32975, 645682), (65950, 322841), (71425, 298094), (142850, 149047)]