21562740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 68127360

約数和(自身を除く): 46564620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 547, 657, 730, 876, 1094, 1095, 1314, 1460, 1641, 1971, 2188, 2190, 2628, 2735, 3282, 3285, 3942, 4380, 4923, 5470, 6564, 6570, 7884, 8205, 9846, 9855, 10940, 13140, 14769, 16410, 19692, 19710, 24615, 29538, 32820, 39420, 39931, 49230, 59076, 73845, 79862, 98460, 119793, 147690, 159724, 199655, 239586, 295380, 359379, 399310, 479172, 598965, 718758, 798620, 1078137, 1197930, 1437516, 1796895, 2156274, 2395860, 3593790, 4312548, 5390685, 7187580, 10781370, 21562740]

約数ペア:

[(1, 21562740), (2, 10781370), (3, 7187580), (4, 5390685), (5, 4312548), (6, 3593790), (9, 2395860), (10, 2156274), (12, 1796895), (15, 1437516), (18, 1197930), (20, 1078137), (27, 798620), (30, 718758), (36, 598965), (45, 479172), (54, 399310), (60, 359379), (73, 295380), (90, 239586), (108, 199655), (135, 159724), (146, 147690), (180, 119793), (219, 98460), (270, 79862), (292, 73845), (365, 59076), (438, 49230), (540, 39931), (547, 39420), (657, 32820), (730, 29538), (876, 24615), (1094, 19710), (1095, 19692), (1314, 16410), (1460, 14769), (1641, 13140), (1971, 10940), (2188, 9855), (2190, 9846), (2628, 8205), (2735, 7884), (3282, 6570), (3285, 6564), (3942, 5470), (4380, 4923)]