21799254

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 44631936

約数和(自身を除く): 22832682

約数列:

[1, 2, 3, 6, 67, 134, 201, 211, 257, 402, 422, 514, 633, 771, 1266, 1542, 14137, 17219, 28274, 34438, 42411, 51657, 54227, 84822, 103314, 108454, 162681, 325362, 3633209, 7266418, 10899627, 21799254]

約数ペア:

[(1, 21799254), (2, 10899627), (3, 7266418), (6, 3633209), (67, 325362), (134, 162681), (201, 108454), (211, 103314), (257, 84822), (402, 54227), (422, 51657), (514, 42411), (633, 34438), (771, 28274), (1266, 17219), (1542, 14137)]