21068544

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3919}}^1$

素因数の和:3945

約数の個数: 72

約数和(自身を含む): 64099840

約数和(自身を除く): 43031296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 3919, 5376, 7838, 11757, 15676, 23514, 27433, 31352, 47028, 54866, 62704, 82299, 94056, 109732, 125408, 164598, 188112, 219464, 250816, 329196, 376224, 438928, 501632, 658392, 752448, 877856, 1003264, 1316784, 1504896, 1755712, 2633568, 3009792, 3511424, 5267136, 7022848, 10534272, 21068544]

約数ペア:

[(1, 21068544), (2, 10534272), (3, 7022848), (4, 5267136), (6, 3511424), (7, 3009792), (8, 2633568), (12, 1755712), (14, 1504896), (16, 1316784), (21, 1003264), (24, 877856), (28, 752448), (32, 658392), (42, 501632), (48, 438928), (56, 376224), (64, 329196), (84, 250816), (96, 219464), (112, 188112), (128, 164598), (168, 125408), (192, 109732), (224, 94056), (256, 82299), (336, 62704), (384, 54866), (448, 47028), (672, 31352), (768, 27433), (896, 23514), (1344, 15676), (1792, 11757), (2688, 7838), (3919, 5376)]