21994307514

素因数分解:

$2^1\times 3^3\times {\mathrm{991}}^1\times {\mathrm{411001}}^1$

素因数の和:412003

約数の個数: 32

約数和(自身を含む): 48925678080

約数和(自身を除く): 26931370566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 991, 1982, 2973, 5946, 8919, 17838, 26757, 53514, 411001, 822002, 1233003, 2466006, 3699009, 7398018, 11097027, 22194054, 407301991, 814603982, 1221905973, 2443811946, 3665717919, 7331435838, 10997153757, 21994307514]

約数ペア:

[(1, 21994307514), (2, 10997153757), (3, 7331435838), (6, 3665717919), (9, 2443811946), (18, 1221905973), (27, 814603982), (54, 407301991), (991, 22194054), (1982, 11097027), (2973, 7398018), (5946, 3699009), (8919, 2466006), (17838, 1233003), (26757, 822002), (53514, 411001)]