21662394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 28656966

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 47, 57, 78, 94, 114, 141, 247, 282, 311, 494, 611, 622, 741, 893, 933, 1222, 1482, 1786, 1833, 1866, 2679, 3666, 4043, 5358, 5909, 8086, 11609, 11818, 12129, 14617, 17727, 23218, 24258, 29234, 34827, 35454, 43851, 69654, 76817, 87702, 153634, 190021, 230451, 277723, 380042, 460902, 555446, 570063, 833169, 1140126, 1666338, 3610399, 7220798, 10831197, 21662394]

約数ペア:

[(1, 21662394), (2, 10831197), (3, 7220798), (6, 3610399), (13, 1666338), (19, 1140126), (26, 833169), (38, 570063), (39, 555446), (47, 460902), (57, 380042), (78, 277723), (94, 230451), (114, 190021), (141, 153634), (247, 87702), (282, 76817), (311, 69654), (494, 43851), (611, 35454), (622, 34827), (741, 29234), (893, 24258), (933, 23218), (1222, 17727), (1482, 14617), (1786, 12129), (1833, 11818), (1866, 11609), (2679, 8086), (3666, 5909), (4043, 5358)]