21658650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38337510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 29, 30, 39, 50, 58, 65, 75, 78, 87, 130, 145, 150, 174, 195, 290, 325, 377, 383, 390, 435, 650, 725, 754, 766, 870, 975, 1131, 1149, 1450, 1885, 1915, 1950, 2175, 2262, 2298, 3770, 3830, 4350, 4979, 5655, 5745, 9425, 9575, 9958, 11107, 11310, 11490, 14937, 18850, 19150, 22214, 24895, 28275, 28725, 29874, 33321, 49790, 55535, 56550, 57450, 66642, 74685, 111070, 124475, 144391, 149370, 166605, 248950, 277675, 288782, 333210, 373425, 433173, 555350, 721955, 746850, 833025, 866346, 1443910, 1666050, 2165865, 3609775, 4331730, 7219550, 10829325, 21658650]

約数ペア:

[(1, 21658650), (2, 10829325), (3, 7219550), (5, 4331730), (6, 3609775), (10, 2165865), (13, 1666050), (15, 1443910), (25, 866346), (26, 833025), (29, 746850), (30, 721955), (39, 555350), (50, 433173), (58, 373425), (65, 333210), (75, 288782), (78, 277675), (87, 248950), (130, 166605), (145, 149370), (150, 144391), (174, 124475), (195, 111070), (290, 74685), (325, 66642), (377, 57450), (383, 56550), (390, 55535), (435, 49790), (650, 33321), (725, 29874), (754, 28725), (766, 28275), (870, 24895), (975, 22214), (1131, 19150), (1149, 18850), (1450, 14937), (1885, 11490), (1915, 11310), (1950, 11107), (2175, 9958), (2262, 9575), (2298, 9425), (3770, 5745), (3830, 5655), (4350, 4979)]