21703260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15727}}^1$

素因数の和:15762

約数の個数: 48

約数和(自身を含む): 63415296

約数和(自身を除く): 41712036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15727, 31454, 47181, 62908, 78635, 94362, 157270, 188724, 235905, 314540, 361721, 471810, 723442, 943620, 1085163, 1446884, 1808605, 2170326, 3617210, 4340652, 5425815, 7234420, 10851630, 21703260]

約数ペア:

[(1, 21703260), (2, 10851630), (3, 7234420), (4, 5425815), (5, 4340652), (6, 3617210), (10, 2170326), (12, 1808605), (15, 1446884), (20, 1085163), (23, 943620), (30, 723442), (46, 471810), (60, 361721), (69, 314540), (92, 235905), (115, 188724), (138, 157270), (230, 94362), (276, 78635), (345, 62908), (460, 47181), (690, 31454), (1380, 15727)]