21916050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11239}}^1$

素因数の和:11267

約数の個数: 48

約数和(自身を含む): 58537920

約数和(自身を除く): 36621870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11239, 22478, 33717, 56195, 67434, 112390, 146107, 168585, 280975, 292214, 337170, 438321, 561950, 730535, 842925, 876642, 1461070, 1685850, 2191605, 3652675, 4383210, 7305350, 10958025, 21916050]

約数ペア:

[(1, 21916050), (2, 10958025), (3, 7305350), (5, 4383210), (6, 3652675), (10, 2191605), (13, 1685850), (15, 1461070), (25, 876642), (26, 842925), (30, 730535), (39, 561950), (50, 438321), (65, 337170), (75, 292214), (78, 280975), (130, 168585), (150, 146107), (195, 112390), (325, 67434), (390, 56195), (650, 33717), (975, 22478), (1950, 11239)]