21135198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1201}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 48464640

約数和(自身を除く): 27329442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 419, 838, 1201, 1257, 2402, 2514, 2933, 3603, 5866, 7206, 8407, 8799, 16814, 17598, 25221, 50442, 503219, 1006438, 1509657, 3019314, 3522533, 7045066, 10567599, 21135198]

約数ペア:

[(1, 21135198), (2, 10567599), (3, 7045066), (6, 3522533), (7, 3019314), (14, 1509657), (21, 1006438), (42, 503219), (419, 50442), (838, 25221), (1201, 17598), (1257, 16814), (2402, 8799), (2514, 8407), (2933, 7206), (3603, 5866)]