21211916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8171}}^1$

素因数の和:8245

約数の個数: 24

約数和(自身を含む): 41186880

約数和(自身を除く): 19974964

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8171, 16342, 32684, 89881, 179762, 359524, 482089, 964178, 1928356, 5302979, 10605958, 21211916]

約数ペア:

[(1, 21211916), (2, 10605958), (4, 5302979), (11, 1928356), (22, 964178), (44, 482089), (59, 359524), (118, 179762), (236, 89881), (649, 32684), (1298, 16342), (2596, 8171)]