21864948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 58781184

約数和(自身を除く): 36916236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 1987, 2751, 3668, 3974, 5502, 5961, 7948, 11004, 11922, 13909, 23844, 27818, 41727, 55636, 83454, 166908, 260297, 520594, 780891, 1041188, 1561782, 1822079, 3123564, 3644158, 5466237, 7288316, 10932474, 21864948]

約数ペア:

[(1, 21864948), (2, 10932474), (3, 7288316), (4, 5466237), (6, 3644158), (7, 3123564), (12, 1822079), (14, 1561782), (21, 1041188), (28, 780891), (42, 520594), (84, 260297), (131, 166908), (262, 83454), (393, 55636), (524, 41727), (786, 27818), (917, 23844), (1572, 13909), (1834, 11922), (1987, 11004), (2751, 7948), (3668, 5961), (3974, 5502)]