21695226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 53944320

約数和(自身を除く): 32249094

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 877, 1178, 1302, 1754, 1767, 2631, 3534, 4123, 5262, 6139, 8246, 12278, 12369, 16663, 18417, 24738, 27187, 33326, 36834, 49989, 54374, 81561, 99978, 116641, 163122, 190309, 233282, 349923, 380618, 516553, 570927, 699846, 1033106, 1141854, 1549659, 3099318, 3615871, 7231742, 10847613, 21695226]

約数ペア:

[(1, 21695226), (2, 10847613), (3, 7231742), (6, 3615871), (7, 3099318), (14, 1549659), (19, 1141854), (21, 1033106), (31, 699846), (38, 570927), (42, 516553), (57, 380618), (62, 349923), (93, 233282), (114, 190309), (133, 163122), (186, 116641), (217, 99978), (266, 81561), (399, 54374), (434, 49989), (589, 36834), (651, 33326), (798, 27187), (877, 24738), (1178, 18417), (1302, 16663), (1754, 12369), (1767, 12278), (2631, 8246), (3534, 6139), (4123, 5262)]