21369816

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 67048800

約数和(自身を除く): 45678984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 79, 102, 104, 117, 136, 153, 156, 158, 204, 221, 234, 237, 289, 306, 312, 316, 408, 442, 468, 474, 578, 612, 632, 663, 711, 867, 884, 936, 948, 1027, 1156, 1224, 1326, 1343, 1422, 1734, 1768, 1896, 1989, 2054, 2312, 2601, 2652, 2686, 2844, 3081, 3468, 3757, 3978, 4029, 4108, 5202, 5304, 5372, 5688, 6162, 6936, 7514, 7956, 8058, 8216, 9243, 10404, 10744, 11271, 12087, 12324, 15028, 15912, 16116, 17459, 18486, 20808, 22542, 22831, 24174, 24648, 30056, 32232, 33813, 34918, 36972, 45084, 45662, 48348, 52377, 67626, 68493, 69836, 73944, 90168, 91324, 96696, 104754, 135252, 136986, 139672, 157131, 182648, 205479, 209508, 270504, 273972, 296803, 314262, 410958, 419016, 547944, 593606, 628524, 821916, 890409, 1187212, 1257048, 1643832, 1780818, 2374424, 2671227, 3561636, 5342454, 7123272, 10684908, 21369816]

約数ペア:

[(1, 21369816), (2, 10684908), (3, 7123272), (4, 5342454), (6, 3561636), (8, 2671227), (9, 2374424), (12, 1780818), (13, 1643832), (17, 1257048), (18, 1187212), (24, 890409), (26, 821916), (34, 628524), (36, 593606), (39, 547944), (51, 419016), (52, 410958), (68, 314262), (72, 296803), (78, 273972), (79, 270504), (102, 209508), (104, 205479), (117, 182648), (136, 157131), (153, 139672), (156, 136986), (158, 135252), (204, 104754), (221, 96696), (234, 91324), (237, 90168), (289, 73944), (306, 69836), (312, 68493), (316, 67626), (408, 52377), (442, 48348), (468, 45662), (474, 45084), (578, 36972), (612, 34918), (632, 33813), (663, 32232), (711, 30056), (867, 24648), (884, 24174), (936, 22831), (948, 22542), (1027, 20808), (1156, 18486), (1224, 17459), (1326, 16116), (1343, 15912), (1422, 15028), (1734, 12324), (1768, 12087), (1896, 11271), (1989, 10744), (2054, 10404), (2312, 9243), (2601, 8216), (2652, 8058), (2686, 7956), (2844, 7514), (3081, 6936), (3468, 6162), (3757, 5688), (3978, 5372), (4029, 5304), (4108, 5202)]