21332880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29629}}^1$

素因数の和:29648

約数の個数: 60

約数和(自身を含む): 71645340

約数和(自身を除く): 50312460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29629, 59258, 88887, 118516, 148145, 177774, 237032, 266661, 296290, 355548, 444435, 474064, 533322, 592580, 711096, 888870, 1066644, 1185160, 1333305, 1422192, 1777740, 2133288, 2370320, 2666610, 3555480, 4266576, 5333220, 7110960, 10666440, 21332880]

約数ペア:

[(1, 21332880), (2, 10666440), (3, 7110960), (4, 5333220), (5, 4266576), (6, 3555480), (8, 2666610), (9, 2370320), (10, 2133288), (12, 1777740), (15, 1422192), (16, 1333305), (18, 1185160), (20, 1066644), (24, 888870), (30, 711096), (36, 592580), (40, 533322), (45, 474064), (48, 444435), (60, 355548), (72, 296290), (80, 266661), (90, 237032), (120, 177774), (144, 148145), (180, 118516), (240, 88887), (360, 59258), (720, 29629)]