21699616

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 45763704

約数和(自身を除く): 24064088

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 353, 452, 544, 706, 904, 1412, 1808, 1921, 2824, 3616, 3842, 5648, 6001, 7684, 11296, 12002, 15368, 24004, 30736, 39889, 48008, 61472, 79778, 96016, 159556, 192032, 319112, 638224, 678113, 1276448, 1356226, 2712452, 5424904, 10849808, 21699616]

約数ペア:

[(1, 21699616), (2, 10849808), (4, 5424904), (8, 2712452), (16, 1356226), (17, 1276448), (32, 678113), (34, 638224), (68, 319112), (113, 192032), (136, 159556), (226, 96016), (272, 79778), (353, 61472), (452, 48008), (544, 39889), (706, 30736), (904, 24004), (1412, 15368), (1808, 12002), (1921, 11296), (2824, 7684), (3616, 6001), (3842, 5648)]