21830250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2272

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 36875670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2239, 3250, 4478, 4875, 6717, 9750, 11195, 13434, 22390, 29107, 33585, 55975, 58214, 67170, 87321, 111950, 145535, 167925, 174642, 279875, 291070, 335850, 436605, 559750, 727675, 839625, 873210, 1455350, 1679250, 2183025, 3638375, 4366050, 7276750, 10915125, 21830250]

約数ペア:

[(1, 21830250), (2, 10915125), (3, 7276750), (5, 4366050), (6, 3638375), (10, 2183025), (13, 1679250), (15, 1455350), (25, 873210), (26, 839625), (30, 727675), (39, 559750), (50, 436605), (65, 335850), (75, 291070), (78, 279875), (125, 174642), (130, 167925), (150, 145535), (195, 111950), (250, 87321), (325, 67170), (375, 58214), (390, 55975), (650, 33585), (750, 29107), (975, 22390), (1625, 13434), (1950, 11195), (2239, 9750), (3250, 6717), (4478, 4875)]