21195372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 54278784

約数和(自身を除く): 33083412

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 211, 422, 633, 761, 844, 1266, 1522, 2283, 2321, 2532, 3044, 4566, 4642, 6963, 8371, 9132, 9284, 13926, 16742, 25113, 27852, 33484, 50226, 100452, 160571, 321142, 481713, 642284, 963426, 1766281, 1926852, 3532562, 5298843, 7065124, 10597686, 21195372]

約数ペア:

[(1, 21195372), (2, 10597686), (3, 7065124), (4, 5298843), (6, 3532562), (11, 1926852), (12, 1766281), (22, 963426), (33, 642284), (44, 481713), (66, 321142), (132, 160571), (211, 100452), (422, 50226), (633, 33484), (761, 27852), (844, 25113), (1266, 16742), (1522, 13926), (2283, 9284), (2321, 9132), (2532, 8371), (3044, 6963), (4566, 4642)]