21178362

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 45047232

約数和(自身を除く): 23868870

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 397, 523, 794, 1046, 1191, 1569, 2382, 3138, 6749, 8891, 13498, 17782, 20247, 26673, 40494, 53346, 207631, 415262, 622893, 1245786, 3529727, 7059454, 10589181, 21178362]

約数ペア:

[(1, 21178362), (2, 10589181), (3, 7059454), (6, 3529727), (17, 1245786), (34, 622893), (51, 415262), (102, 207631), (397, 53346), (523, 40494), (794, 26673), (1046, 20247), (1191, 17782), (1569, 13498), (2382, 8891), (3138, 6749)]