21897900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 108

約数和(自身を含む): 71089200

約数和(自身を除く): 49191300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 839, 870, 900, 1044, 1305, 1450, 1678, 1740, 2175, 2517, 2610, 2900, 3356, 4195, 4350, 5034, 5220, 6525, 7551, 8390, 8700, 10068, 12585, 13050, 15102, 16780, 20975, 24331, 25170, 26100, 30204, 37755, 41950, 48662, 50340, 62925, 72993, 75510, 83900, 97324, 121655, 125850, 145986, 151020, 188775, 218979, 243310, 251700, 291972, 364965, 377550, 437958, 486620, 608275, 729930, 755100, 875916, 1094895, 1216550, 1459860, 1824825, 2189790, 2433100, 3649650, 4379580, 5474475, 7299300, 10948950, 21897900]

約数ペア:

[(1, 21897900), (2, 10948950), (3, 7299300), (4, 5474475), (5, 4379580), (6, 3649650), (9, 2433100), (10, 2189790), (12, 1824825), (15, 1459860), (18, 1216550), (20, 1094895), (25, 875916), (29, 755100), (30, 729930), (36, 608275), (45, 486620), (50, 437958), (58, 377550), (60, 364965), (75, 291972), (87, 251700), (90, 243310), (100, 218979), (116, 188775), (145, 151020), (150, 145986), (174, 125850), (180, 121655), (225, 97324), (261, 83900), (290, 75510), (300, 72993), (348, 62925), (435, 50340), (450, 48662), (522, 41950), (580, 37755), (725, 30204), (839, 26100), (870, 25170), (900, 24331), (1044, 20975), (1305, 16780), (1450, 15102), (1678, 13050), (1740, 12585), (2175, 10068), (2517, 8700), (2610, 8390), (2900, 7551), (3356, 6525), (4195, 5220), (4350, 5034)]