21861666

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 28588734

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 659, 873, 1318, 1746, 1843, 1977, 3686, 3954, 5529, 5931, 11058, 11862, 12521, 16587, 25042, 33174, 37563, 63923, 75126, 112689, 127846, 191769, 225378, 383538, 575307, 1150614, 1214537, 2429074, 3643611, 7287222, 10930833, 21861666]

約数ペア:

[(1, 21861666), (2, 10930833), (3, 7287222), (6, 3643611), (9, 2429074), (18, 1214537), (19, 1150614), (38, 575307), (57, 383538), (97, 225378), (114, 191769), (171, 127846), (194, 112689), (291, 75126), (342, 63923), (582, 37563), (659, 33174), (873, 25042), (1318, 16587), (1746, 12521), (1843, 11862), (1977, 11058), (3686, 5931), (3954, 5529)]