21921612

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 53178720

約数和(自身を除く): 31257108

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 97, 111, 148, 194, 222, 291, 388, 444, 509, 582, 1018, 1164, 1527, 2036, 3054, 3589, 6108, 7178, 10767, 14356, 18833, 21534, 37666, 43068, 49373, 56499, 75332, 98746, 112998, 148119, 197492, 225996, 296238, 592476, 1826801, 3653602, 5480403, 7307204, 10960806, 21921612]

約数ペア:

[(1, 21921612), (2, 10960806), (3, 7307204), (4, 5480403), (6, 3653602), (12, 1826801), (37, 592476), (74, 296238), (97, 225996), (111, 197492), (148, 148119), (194, 112998), (222, 98746), (291, 75332), (388, 56499), (444, 49373), (509, 43068), (582, 37666), (1018, 21534), (1164, 18833), (1527, 14356), (2036, 10767), (3054, 7178), (3589, 6108)]