21407256

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22871}}^1$

素因数の和:22896

約数の個数: 48

約数和(自身を含む): 62440560

約数和(自身を除く): 41033304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22871, 45742, 68613, 91484, 137226, 182968, 205839, 274452, 297323, 411678, 548904, 594646, 823356, 891969, 1189292, 1646712, 1783938, 2378584, 2675907, 3567876, 5351814, 7135752, 10703628, 21407256]

約数ペア:

[(1, 21407256), (2, 10703628), (3, 7135752), (4, 5351814), (6, 3567876), (8, 2675907), (9, 2378584), (12, 1783938), (13, 1646712), (18, 1189292), (24, 891969), (26, 823356), (36, 594646), (39, 548904), (52, 411678), (72, 297323), (78, 274452), (104, 205839), (117, 182968), (156, 137226), (234, 91484), (312, 68613), (468, 45742), (936, 22871)]