21893640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4931}}^1$

素因数の和:4982

約数の個数: 64

約数和(自身を含む): 67469760

約数和(自身を除く): 45576120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4931, 9862, 14793, 19724, 24655, 29586, 39448, 49310, 59172, 73965, 98620, 118344, 147930, 182447, 197240, 295860, 364894, 547341, 591720, 729788, 912235, 1094682, 1459576, 1824470, 2189364, 2736705, 3648940, 4378728, 5473410, 7297880, 10946820, 21893640]

約数ペア:

[(1, 21893640), (2, 10946820), (3, 7297880), (4, 5473410), (5, 4378728), (6, 3648940), (8, 2736705), (10, 2189364), (12, 1824470), (15, 1459576), (20, 1094682), (24, 912235), (30, 729788), (37, 591720), (40, 547341), (60, 364894), (74, 295860), (111, 197240), (120, 182447), (148, 147930), (185, 118344), (222, 98620), (296, 73965), (370, 59172), (444, 49310), (555, 39448), (740, 29586), (888, 24655), (1110, 19724), (1480, 14793), (2220, 9862), (4440, 4931)]