21000228160

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{6841}}^1$

素因数の和:7092

約数の個数: 112

約数和(自身を含む): 51239300112

約数和(自身を除く): 30239071952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 181, 212, 265, 320, 362, 424, 530, 724, 848, 905, 1060, 1448, 1696, 1810, 2120, 2896, 3392, 3620, 4240, 5792, 6841, 7240, 8480, 9593, 11584, 13682, 14480, 16960, 19186, 27364, 28960, 34205, 38372, 47965, 54728, 57920, 68410, 76744, 95930, 109456, 136820, 153488, 191860, 218912, 273640, 306976, 362573, 383720, 437824, 547280, 613952, 725146, 767440, 1094560, 1238221, 1450292, 1534880, 1812865, 2189120, 2476442, 2900584, 3069760, 3625730, 4952884, 5801168, 6191105, 7251460, 9905768, 11602336, 12382210, 14502920, 19811536, 23204672, 24764420, 29005840, 39623072, 49528840, 58011680, 65625713, 79246144, 99057680, 116023360, 131251426, 198115360, 262502852, 328128565, 396230720, 525005704, 656257130, 1050011408, 1312514260, 2100022816, 2625028520, 4200045632, 5250057040, 10500114080, 21000228160]

約数ペア:

[(1, 21000228160), (2, 10500114080), (4, 5250057040), (5, 4200045632), (8, 2625028520), (10, 2100022816), (16, 1312514260), (20, 1050011408), (32, 656257130), (40, 525005704), (53, 396230720), (64, 328128565), (80, 262502852), (106, 198115360), (160, 131251426), (181, 116023360), (212, 99057680), (265, 79246144), (320, 65625713), (362, 58011680), (424, 49528840), (530, 39623072), (724, 29005840), (848, 24764420), (905, 23204672), (1060, 19811536), (1448, 14502920), (1696, 12382210), (1810, 11602336), (2120, 9905768), (2896, 7251460), (3392, 6191105), (3620, 5801168), (4240, 4952884), (5792, 3625730), (6841, 3069760), (7240, 2900584), (8480, 2476442), (9593, 2189120), (11584, 1812865), (13682, 1534880), (14480, 1450292), (16960, 1238221), (19186, 1094560), (27364, 767440), (28960, 725146), (34205, 613952), (38372, 547280), (47965, 437824), (54728, 383720), (57920, 362573), (68410, 306976), (76744, 273640), (95930, 218912), (109456, 191860), (136820, 153488)]