21688488

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1327}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 59042880

約数和(自身を除く): 37354392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1327, 1362, 1816, 2043, 2654, 2724, 3981, 4086, 5308, 5448, 7962, 8172, 10616, 11943, 15924, 16344, 23886, 31848, 47772, 95544, 301229, 602458, 903687, 1204916, 1807374, 2409832, 2711061, 3614748, 5422122, 7229496, 10844244, 21688488]

約数ペア:

[(1, 21688488), (2, 10844244), (3, 7229496), (4, 5422122), (6, 3614748), (8, 2711061), (9, 2409832), (12, 1807374), (18, 1204916), (24, 903687), (36, 602458), (72, 301229), (227, 95544), (454, 47772), (681, 31848), (908, 23886), (1327, 16344), (1362, 15924), (1816, 11943), (2043, 10616), (2654, 8172), (2724, 7962), (3981, 5448), (4086, 5308)]