21291242985

素因数分解:

$3^3\times 5^1\times {\mathrm{3583}}^1\times {\mathrm{44017}}^1$

素因数の和:47614

約数の個数: 32

約数和(自身を含む): 37862522880

約数和(自身を除く): 16571279895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 3583, 10749, 17915, 32247, 44017, 53745, 96741, 132051, 161235, 220085, 396153, 483705, 660255, 1188459, 1980765, 5942295, 157712911, 473138733, 788564555, 1419416199, 2365693665, 4258248597, 7097080995, 21291242985]

約数ペア:

[(1, 21291242985), (3, 7097080995), (5, 4258248597), (9, 2365693665), (15, 1419416199), (27, 788564555), (45, 473138733), (135, 157712911), (3583, 5942295), (10749, 1980765), (17915, 1188459), (32247, 660255), (44017, 483705), (53745, 396153), (96741, 220085), (132051, 161235)]