21201150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 56960640

約数和(自身を除く): 35759490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 43, 50, 57, 75, 86, 95, 114, 129, 150, 173, 190, 215, 258, 285, 346, 430, 475, 519, 570, 645, 817, 865, 950, 1038, 1075, 1290, 1425, 1634, 1730, 2150, 2451, 2595, 2850, 3225, 3287, 4085, 4325, 4902, 5190, 6450, 6574, 7439, 8170, 8650, 9861, 12255, 12975, 14878, 16435, 19722, 20425, 22317, 24510, 25950, 32870, 37195, 40850, 44634, 49305, 61275, 74390, 82175, 98610, 111585, 122550, 141341, 164350, 185975, 223170, 246525, 282682, 371950, 424023, 493050, 557925, 706705, 848046, 1115850, 1413410, 2120115, 3533525, 4240230, 7067050, 10600575, 21201150]

約数ペア:

[(1, 21201150), (2, 10600575), (3, 7067050), (5, 4240230), (6, 3533525), (10, 2120115), (15, 1413410), (19, 1115850), (25, 848046), (30, 706705), (38, 557925), (43, 493050), (50, 424023), (57, 371950), (75, 282682), (86, 246525), (95, 223170), (114, 185975), (129, 164350), (150, 141341), (173, 122550), (190, 111585), (215, 98610), (258, 82175), (285, 74390), (346, 61275), (430, 49305), (475, 44634), (519, 40850), (570, 37195), (645, 32870), (817, 25950), (865, 24510), (950, 22317), (1038, 20425), (1075, 19722), (1290, 16435), (1425, 14878), (1634, 12975), (1730, 12255), (2150, 9861), (2451, 8650), (2595, 8170), (2850, 7439), (3225, 6574), (3287, 6450), (4085, 5190), (4325, 4902)]