21512550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 53724240

約数和(自身を除く): 32211690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 173, 346, 519, 829, 865, 1038, 1658, 1730, 2487, 2595, 4145, 4325, 4974, 5190, 8290, 8650, 12435, 12975, 20725, 24870, 25950, 41450, 62175, 124350, 143417, 286834, 430251, 717085, 860502, 1434170, 2151255, 3585425, 4302510, 7170850, 10756275, 21512550]

約数ペア:

[(1, 21512550), (2, 10756275), (3, 7170850), (5, 4302510), (6, 3585425), (10, 2151255), (15, 1434170), (25, 860502), (30, 717085), (50, 430251), (75, 286834), (150, 143417), (173, 124350), (346, 62175), (519, 41450), (829, 25950), (865, 24870), (1038, 20725), (1658, 12975), (1730, 12435), (2487, 8650), (2595, 8290), (4145, 5190), (4325, 4974)]