21861750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 55291392

約数和(自身を除く): 33429642

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 103, 125, 150, 206, 250, 283, 309, 375, 515, 566, 618, 750, 849, 1030, 1415, 1545, 1698, 2575, 2830, 3090, 4245, 5150, 7075, 7725, 8490, 12875, 14150, 15450, 21225, 25750, 29149, 35375, 38625, 42450, 58298, 70750, 77250, 87447, 106125, 145745, 174894, 212250, 291490, 437235, 728725, 874470, 1457450, 2186175, 3643625, 4372350, 7287250, 10930875, 21861750]

約数ペア:

[(1, 21861750), (2, 10930875), (3, 7287250), (5, 4372350), (6, 3643625), (10, 2186175), (15, 1457450), (25, 874470), (30, 728725), (50, 437235), (75, 291490), (103, 212250), (125, 174894), (150, 145745), (206, 106125), (250, 87447), (283, 77250), (309, 70750), (375, 58298), (515, 42450), (566, 38625), (618, 35375), (750, 29149), (849, 25750), (1030, 21225), (1415, 15450), (1545, 14150), (1698, 12875), (2575, 8490), (2830, 7725), (3090, 7075), (4245, 5150)]