21369168

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4832

約数の個数: 60

約数和(自身を含む): 61746048

約数和(自身を除く): 40376880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4787, 9574, 14361, 19148, 28722, 38296, 43083, 57444, 76592, 86166, 114888, 148397, 172332, 229776, 296794, 344664, 445191, 593588, 689328, 890382, 1187176, 1335573, 1780764, 2374352, 2671146, 3561528, 5342292, 7123056, 10684584, 21369168]

約数ペア:

[(1, 21369168), (2, 10684584), (3, 7123056), (4, 5342292), (6, 3561528), (8, 2671146), (9, 2374352), (12, 1780764), (16, 1335573), (18, 1187176), (24, 890382), (31, 689328), (36, 593588), (48, 445191), (62, 344664), (72, 296794), (93, 229776), (124, 172332), (144, 148397), (186, 114888), (248, 86166), (279, 76592), (372, 57444), (496, 43083), (558, 38296), (744, 28722), (1116, 19148), (1488, 14361), (2232, 9574), (4464, 4787)]