21408588

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1483}}^1$

素因数の和:1894

約数の個数: 36

約数和(自身を含む): 54287688

約数和(自身を除く): 32879100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1483, 1604, 2406, 2966, 3609, 4449, 4812, 5932, 7218, 8898, 13347, 14436, 17796, 26694, 53388, 594683, 1189366, 1784049, 2378732, 3568098, 5352147, 7136196, 10704294, 21408588]

約数ペア:

[(1, 21408588), (2, 10704294), (3, 7136196), (4, 5352147), (6, 3568098), (9, 2378732), (12, 1784049), (18, 1189366), (36, 594683), (401, 53388), (802, 26694), (1203, 17796), (1483, 14436), (1604, 13347), (2406, 8898), (2966, 7218), (3609, 5932), (4449, 4812)]