21534400

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 84

約数和(自身を含む): 54393592

約数和(自身を除く): 32859192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 160, 172, 200, 215, 313, 320, 344, 400, 430, 626, 688, 800, 860, 1075, 1252, 1376, 1565, 1600, 1720, 2150, 2504, 2752, 3130, 3440, 4300, 5008, 6260, 6880, 7825, 8600, 10016, 12520, 13459, 13760, 15650, 17200, 20032, 25040, 26918, 31300, 34400, 50080, 53836, 62600, 67295, 68800, 100160, 107672, 125200, 134590, 215344, 250400, 269180, 336475, 430688, 500800, 538360, 672950, 861376, 1076720, 1345900, 2153440, 2691800, 4306880, 5383600, 10767200, 21534400]

約数ペア:

[(1, 21534400), (2, 10767200), (4, 5383600), (5, 4306880), (8, 2691800), (10, 2153440), (16, 1345900), (20, 1076720), (25, 861376), (32, 672950), (40, 538360), (43, 500800), (50, 430688), (64, 336475), (80, 269180), (86, 250400), (100, 215344), (160, 134590), (172, 125200), (200, 107672), (215, 100160), (313, 68800), (320, 67295), (344, 62600), (400, 53836), (430, 50080), (626, 34400), (688, 31300), (800, 26918), (860, 25040), (1075, 20032), (1252, 17200), (1376, 15650), (1565, 13760), (1600, 13459), (1720, 12520), (2150, 10016), (2504, 8600), (2752, 7825), (3130, 6880), (3440, 6260), (4300, 5008)]