21540122

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8923}}^1$

素因数の和:9013

約数の個数: 16

約数和(自身を含む): 34696512

約数和(自身を除く): 13156390

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8923, 17846, 151691, 303382, 633533, 1267066, 10770061, 21540122]

約数ペア:

[(1, 21540122), (2, 10770061), (17, 1267066), (34, 633533), (71, 303382), (142, 151691), (1207, 17846), (2414, 8923)]