21906144

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5851}}^1$

素因数の和:5880

約数の個数: 72

約数和(自身を含む): 67099032

約数和(自身を除く): 45192888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5851, 11702, 17553, 23404, 35106, 46808, 52659, 70212, 76063, 93616, 105318, 140424, 152126, 187232, 210636, 228189, 280848, 304252, 421272, 456378, 561696, 608504, 684567, 842544, 912756, 1217008, 1369134, 1685088, 1825512, 2434016, 2738268, 3651024, 5476536, 7302048, 10953072, 21906144]

約数ペア:

[(1, 21906144), (2, 10953072), (3, 7302048), (4, 5476536), (6, 3651024), (8, 2738268), (9, 2434016), (12, 1825512), (13, 1685088), (16, 1369134), (18, 1217008), (24, 912756), (26, 842544), (32, 684567), (36, 608504), (39, 561696), (48, 456378), (52, 421272), (72, 304252), (78, 280848), (96, 228189), (104, 210636), (117, 187232), (144, 152126), (156, 140424), (208, 105318), (234, 93616), (288, 76063), (312, 70212), (416, 52659), (468, 46808), (624, 35106), (936, 23404), (1248, 17553), (1872, 11702), (3744, 5851)]