21749686.000000000

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{80929}}^1$

素因数の和:80966

約数の個数: 48

約数和(自身を含む): 435079680

約数和(自身を除く): 278724852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 80929, 161858, 242787, 323716, 485574, 566503, 971148, 1133006, 1699509, 1861367, 2266012, 3399018, 3722734, 5584101, 6798036, 7445468, 11168202, 13029569, 22336404, 26059138, 39088707, 52118276, 78177414, 156354828]

約数ペア:

[(1, 156354828), (2, 78177414), (3, 52118276), (4, 39088707), (6, 26059138), (7, 22336404), (12, 13029569), (14, 11168202), (21, 7445468), (23, 6798036), (28, 5584101), (42, 3722734), (46, 3399018), (69, 2266012), (84, 1861367), (92, 1699509), (138, 1133006), (161, 971148), (276, 566503), (322, 485574), (483, 323716), (644, 242787), (966, 161858), (1932, 80929)]