21546144

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1042

約数の個数: 72

約数和(自身を含む): 62112960

約数和(自身を除く): 40566816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 947, 948, 1264, 1422, 1894, 1896, 2528, 2841, 2844, 3788, 3792, 5682, 5688, 7576, 7584, 8523, 11364, 11376, 15152, 17046, 22728, 22752, 30304, 34092, 45456, 68184, 74813, 90912, 136368, 149626, 224439, 272736, 299252, 448878, 598504, 673317, 897756, 1197008, 1346634, 1795512, 2394016, 2693268, 3591024, 5386536, 7182048, 10773072, 21546144]

約数ペア:

[(1, 21546144), (2, 10773072), (3, 7182048), (4, 5386536), (6, 3591024), (8, 2693268), (9, 2394016), (12, 1795512), (16, 1346634), (18, 1197008), (24, 897756), (32, 673317), (36, 598504), (48, 448878), (72, 299252), (79, 272736), (96, 224439), (144, 149626), (158, 136368), (237, 90912), (288, 74813), (316, 68184), (474, 45456), (632, 34092), (711, 30304), (947, 22752), (948, 22728), (1264, 17046), (1422, 15152), (1894, 11376), (1896, 11364), (2528, 8523), (2841, 7584), (2844, 7576), (3788, 5688), (3792, 5682)]