21185250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 54093312

約数和(自身を除く): 32908062

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 125, 141, 150, 235, 250, 282, 375, 470, 601, 705, 750, 1175, 1202, 1410, 1803, 2350, 3005, 3525, 3606, 5875, 6010, 7050, 9015, 11750, 15025, 17625, 18030, 28247, 30050, 35250, 45075, 56494, 75125, 84741, 90150, 141235, 150250, 169482, 225375, 282470, 423705, 450750, 706175, 847410, 1412350, 2118525, 3530875, 4237050, 7061750, 10592625, 21185250]

約数ペア:

[(1, 21185250), (2, 10592625), (3, 7061750), (5, 4237050), (6, 3530875), (10, 2118525), (15, 1412350), (25, 847410), (30, 706175), (47, 450750), (50, 423705), (75, 282470), (94, 225375), (125, 169482), (141, 150250), (150, 141235), (235, 90150), (250, 84741), (282, 75125), (375, 56494), (470, 45075), (601, 35250), (705, 30050), (750, 28247), (1175, 18030), (1202, 17625), (1410, 15025), (1803, 11750), (2350, 9015), (3005, 7050), (3525, 6010), (3606, 5875)]