21424096

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 23452064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 167, 211, 304, 334, 422, 608, 668, 844, 1336, 1688, 2672, 3173, 3376, 4009, 5344, 6346, 6752, 8018, 12692, 16036, 25384, 32072, 35237, 50768, 64144, 70474, 101536, 128288, 140948, 281896, 563792, 669503, 1127584, 1339006, 2678012, 5356024, 10712048, 21424096]

約数ペア:

[(1, 21424096), (2, 10712048), (4, 5356024), (8, 2678012), (16, 1339006), (19, 1127584), (32, 669503), (38, 563792), (76, 281896), (152, 140948), (167, 128288), (211, 101536), (304, 70474), (334, 64144), (422, 50768), (608, 35237), (668, 32072), (844, 25384), (1336, 16036), (1688, 12692), (2672, 8018), (3173, 6752), (3376, 6346), (4009, 5344)]