21236724

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2243}}^1$

素因数の和:2516

約数の個数: 36

約数和(自身を含む): 53909856

約数和(自身を除く): 32673132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2243, 2367, 3156, 4486, 4734, 6729, 8972, 9468, 13458, 20187, 26916, 40374, 80748, 589909, 1179818, 1769727, 2359636, 3539454, 5309181, 7078908, 10618362, 21236724]

約数ペア:

[(1, 21236724), (2, 10618362), (3, 7078908), (4, 5309181), (6, 3539454), (9, 2359636), (12, 1769727), (18, 1179818), (36, 589909), (263, 80748), (526, 40374), (789, 26916), (1052, 20187), (1578, 13458), (2243, 9468), (2367, 8972), (3156, 6729), (4486, 4734)]