21119784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17959}}^1$

素因数の和:17982

約数の個数: 48

約数和(自身を含む): 61423200

約数和(自身を除く): 40303416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17959, 35918, 53877, 71836, 107754, 125713, 143672, 215508, 251426, 377139, 431016, 502852, 754278, 879991, 1005704, 1508556, 1759982, 2639973, 3017112, 3519964, 5279946, 7039928, 10559892, 21119784]

約数ペア:

[(1, 21119784), (2, 10559892), (3, 7039928), (4, 5279946), (6, 3519964), (7, 3017112), (8, 2639973), (12, 1759982), (14, 1508556), (21, 1005704), (24, 879991), (28, 754278), (42, 502852), (49, 431016), (56, 377139), (84, 251426), (98, 215508), (147, 143672), (168, 125713), (196, 107754), (294, 71836), (392, 53877), (588, 35918), (1176, 17959)]