21922580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 28127980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1861, 2356, 2945, 3722, 5890, 7444, 9305, 11780, 18610, 35359, 37220, 57691, 70718, 115382, 141436, 176795, 230764, 288455, 353590, 576910, 707180, 1096129, 1153820, 2192258, 4384516, 5480645, 10961290, 21922580]

約数ペア:

[(1, 21922580), (2, 10961290), (4, 5480645), (5, 4384516), (10, 2192258), (19, 1153820), (20, 1096129), (31, 707180), (38, 576910), (62, 353590), (76, 288455), (95, 230764), (124, 176795), (155, 141436), (190, 115382), (310, 70718), (380, 57691), (589, 37220), (620, 35359), (1178, 18610), (1861, 11780), (2356, 9305), (2945, 7444), (3722, 5890)]