21167459105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{27779}}^1$

素因数の和:28433

約数の個数: 32

約数和(自身を含む): 28842307200

約数和(自身を除く): 7674848095

約数列:

[1, 5, 13, 19, 65, 95, 247, 617, 1235, 3085, 8021, 11723, 27779, 40105, 58615, 138895, 152399, 361127, 527801, 761995, 1805635, 2639005, 6861413, 17139643, 34307065, 85698215, 222815359, 325653217, 1114076795, 1628266085, 4233491821, 21167459105]

約数ペア:

[(1, 21167459105), (5, 4233491821), (13, 1628266085), (19, 1114076795), (65, 325653217), (95, 222815359), (247, 85698215), (617, 34307065), (1235, 17139643), (3085, 6861413), (8021, 2639005), (11723, 1805635), (27779, 761995), (40105, 527801), (58615, 361127), (138895, 152399)]