21310236

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 72

約数和(自身を含む): 57910160

約数和(自身を除く): 36599924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 373, 414, 529, 621, 746, 828, 1058, 1119, 1242, 1492, 1587, 2116, 2238, 2484, 3174, 3357, 4476, 4761, 6348, 6714, 8579, 9522, 10071, 13428, 14283, 17158, 19044, 20142, 25737, 28566, 34316, 40284, 51474, 57132, 77211, 102948, 154422, 197317, 231633, 308844, 394634, 463266, 591951, 789268, 926532, 1183902, 1775853, 2367804, 3551706, 5327559, 7103412, 10655118, 21310236]

約数ペア:

[(1, 21310236), (2, 10655118), (3, 7103412), (4, 5327559), (6, 3551706), (9, 2367804), (12, 1775853), (18, 1183902), (23, 926532), (27, 789268), (36, 591951), (46, 463266), (54, 394634), (69, 308844), (92, 231633), (108, 197317), (138, 154422), (207, 102948), (276, 77211), (373, 57132), (414, 51474), (529, 40284), (621, 34316), (746, 28566), (828, 25737), (1058, 20142), (1119, 19044), (1242, 17158), (1492, 14283), (1587, 13428), (2116, 10071), (2238, 9522), (2484, 8579), (3174, 6714), (3357, 6348), (4476, 4761)]