21000096

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45044064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 79, 96, 104, 117, 142, 144, 156, 158, 208, 213, 234, 237, 284, 288, 312, 316, 416, 426, 468, 474, 568, 624, 632, 639, 711, 852, 923, 936, 948, 1027, 1136, 1248, 1264, 1278, 1422, 1704, 1846, 1872, 1896, 2054, 2272, 2528, 2556, 2769, 2844, 3081, 3408, 3692, 3744, 3792, 4108, 5112, 5538, 5609, 5688, 6162, 6816, 7384, 7584, 8216, 8307, 9243, 10224, 11076, 11218, 11376, 12324, 14768, 16432, 16614, 16827, 18486, 20448, 22152, 22436, 22752, 24648, 29536, 32864, 33228, 33654, 36972, 44304, 44872, 49296, 50481, 66456, 67308, 72917, 73944, 88608, 89744, 98592, 100962, 132912, 134616, 145834, 147888, 179488, 201924, 218751, 265824, 269232, 291668, 295776, 403848, 437502, 538464, 583336, 656253, 807696, 875004, 1166672, 1312506, 1615392, 1750008, 2333344, 2625012, 3500016, 5250024, 7000032, 10500048, 21000096]

約数ペア:

[(1, 21000096), (2, 10500048), (3, 7000032), (4, 5250024), (6, 3500016), (8, 2625012), (9, 2333344), (12, 1750008), (13, 1615392), (16, 1312506), (18, 1166672), (24, 875004), (26, 807696), (32, 656253), (36, 583336), (39, 538464), (48, 437502), (52, 403848), (71, 295776), (72, 291668), (78, 269232), (79, 265824), (96, 218751), (104, 201924), (117, 179488), (142, 147888), (144, 145834), (156, 134616), (158, 132912), (208, 100962), (213, 98592), (234, 89744), (237, 88608), (284, 73944), (288, 72917), (312, 67308), (316, 66456), (416, 50481), (426, 49296), (468, 44872), (474, 44304), (568, 36972), (624, 33654), (632, 33228), (639, 32864), (711, 29536), (852, 24648), (923, 22752), (936, 22436), (948, 22152), (1027, 20448), (1136, 18486), (1248, 16827), (1264, 16614), (1278, 16432), (1422, 14768), (1704, 12324), (1846, 11376), (1872, 11218), (1896, 11076), (2054, 10224), (2272, 9243), (2528, 8307), (2556, 8216), (2769, 7584), (2844, 7384), (3081, 6816), (3408, 6162), (3692, 5688), (3744, 5609), (3792, 5538), (4108, 5112)]