21337440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44453}}^1$

素因数の和:44471

約数の個数: 48

約数和(自身を含む): 67214448

約数和(自身を除く): 45877008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44453, 88906, 133359, 177812, 222265, 266718, 355624, 444530, 533436, 666795, 711248, 889060, 1066872, 1333590, 1422496, 1778120, 2133744, 2667180, 3556240, 4267488, 5334360, 7112480, 10668720, 21337440]

約数ペア:

[(1, 21337440), (2, 10668720), (3, 7112480), (4, 5334360), (5, 4267488), (6, 3556240), (8, 2667180), (10, 2133744), (12, 1778120), (15, 1422496), (16, 1333590), (20, 1066872), (24, 889060), (30, 711248), (32, 666795), (40, 533436), (48, 444530), (60, 355624), (80, 266718), (96, 222265), (120, 177812), (160, 133359), (240, 88906), (480, 44453)]