21875160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 65933280

約数和(自身を除く): 44058120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 433, 842, 866, 1263, 1299, 1684, 1732, 2105, 2165, 2526, 2598, 3368, 3464, 4210, 4330, 5052, 5196, 6315, 6495, 8420, 8660, 10104, 10392, 12630, 12990, 16840, 17320, 25260, 25980, 50520, 51960, 182293, 364586, 546879, 729172, 911465, 1093758, 1458344, 1822930, 2187516, 2734395, 3645860, 4375032, 5468790, 7291720, 10937580, 21875160]

約数ペア:

[(1, 21875160), (2, 10937580), (3, 7291720), (4, 5468790), (5, 4375032), (6, 3645860), (8, 2734395), (10, 2187516), (12, 1822930), (15, 1458344), (20, 1093758), (24, 911465), (30, 729172), (40, 546879), (60, 364586), (120, 182293), (421, 51960), (433, 50520), (842, 25980), (866, 25260), (1263, 17320), (1299, 16840), (1684, 12990), (1732, 12630), (2105, 10392), (2165, 10104), (2526, 8660), (2598, 8420), (3368, 6495), (3464, 6315), (4210, 5196), (4330, 5052)]