21367494

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 48297600

約数和(自身を除く): 26930106

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 149, 186, 257, 279, 298, 447, 514, 558, 771, 894, 1341, 1542, 2313, 2682, 4619, 4626, 7967, 9238, 13857, 15934, 23901, 27714, 38293, 41571, 47802, 71703, 76586, 83142, 114879, 143406, 229758, 344637, 689274, 1187083, 2374166, 3561249, 7122498, 10683747, 21367494]

約数ペア:

[(1, 21367494), (2, 10683747), (3, 7122498), (6, 3561249), (9, 2374166), (18, 1187083), (31, 689274), (62, 344637), (93, 229758), (149, 143406), (186, 114879), (257, 83142), (279, 76586), (298, 71703), (447, 47802), (514, 41571), (558, 38293), (771, 27714), (894, 23901), (1341, 15934), (1542, 13857), (2313, 9238), (2682, 7967), (4619, 4626)]