21504900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 62947360

約数和(自身を除く): 41442460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 739, 970, 1164, 1455, 1478, 1940, 2217, 2425, 2910, 2956, 3695, 4434, 4850, 5820, 7275, 7390, 8868, 9700, 11085, 14550, 14780, 18475, 22170, 29100, 36950, 44340, 55425, 71683, 73900, 110850, 143366, 215049, 221700, 286732, 358415, 430098, 716830, 860196, 1075245, 1433660, 1792075, 2150490, 3584150, 4300980, 5376225, 7168300, 10752450, 21504900]

約数ペア:

[(1, 21504900), (2, 10752450), (3, 7168300), (4, 5376225), (5, 4300980), (6, 3584150), (10, 2150490), (12, 1792075), (15, 1433660), (20, 1075245), (25, 860196), (30, 716830), (50, 430098), (60, 358415), (75, 286732), (97, 221700), (100, 215049), (150, 143366), (194, 110850), (291, 73900), (300, 71683), (388, 55425), (485, 44340), (582, 36950), (739, 29100), (970, 22170), (1164, 18475), (1455, 14780), (1478, 14550), (1940, 11085), (2217, 9700), (2425, 8868), (2910, 7390), (2956, 7275), (3695, 5820), (4434, 4850)]