21666644

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 20137132

約数列:

[1, 2, 4, 23, 31, 46, 62, 71, 92, 107, 124, 142, 214, 284, 428, 713, 1426, 1633, 2201, 2461, 2852, 3266, 3317, 4402, 4922, 6532, 6634, 7597, 8804, 9844, 13268, 15194, 30388, 50623, 76291, 101246, 152582, 174731, 202492, 235507, 305164, 349462, 471014, 698924, 942028, 5416661, 10833322, 21666644]

約数ペア:

[(1, 21666644), (2, 10833322), (4, 5416661), (23, 942028), (31, 698924), (46, 471014), (62, 349462), (71, 305164), (92, 235507), (107, 202492), (124, 174731), (142, 152582), (214, 101246), (284, 76291), (428, 50623), (713, 30388), (1426, 15194), (1633, 13268), (2201, 9844), (2461, 8804), (2852, 7597), (3266, 6634), (3317, 6532), (4402, 4922)]