21917168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15053}}^1$

素因数の和:15081

約数の個数: 40

約数和(自身を含む): 52267488

約数和(自身を除く): 30350320

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 15053, 30106, 60212, 105371, 120424, 195689, 210742, 240848, 391378, 421484, 782756, 842968, 1369823, 1565512, 1685936, 2739646, 3131024, 5479292, 10958584, 21917168]

約数ペア:

[(1, 21917168), (2, 10958584), (4, 5479292), (7, 3131024), (8, 2739646), (13, 1685936), (14, 1565512), (16, 1369823), (26, 842968), (28, 782756), (52, 421484), (56, 391378), (91, 240848), (104, 210742), (112, 195689), (182, 120424), (208, 105371), (364, 60212), (728, 30106), (1456, 15053)]