21954190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 42037056

約数和(自身を除く): 20082866

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1801, 2438, 3602, 6095, 9005, 12190, 18010, 41423, 82846, 95453, 190906, 207115, 414230, 477265, 954530, 2195419, 4390838, 10977095, 21954190]

約数ペア:

[(1, 21954190), (2, 10977095), (5, 4390838), (10, 2195419), (23, 954530), (46, 477265), (53, 414230), (106, 207115), (115, 190906), (230, 95453), (265, 82846), (530, 41423), (1219, 18010), (1801, 12190), (2438, 9005), (3602, 6095)]