21854784

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 168

約数和(自身を含む): 70884288

約数和(自身を除く): 49029504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 64, 69, 84, 92, 96, 98, 101, 112, 138, 147, 161, 168, 184, 192, 196, 202, 224, 276, 294, 303, 322, 336, 368, 392, 404, 448, 483, 552, 588, 606, 644, 672, 707, 736, 784, 808, 966, 1104, 1127, 1176, 1212, 1288, 1344, 1414, 1472, 1568, 1616, 1932, 2121, 2208, 2254, 2323, 2352, 2424, 2576, 2828, 3136, 3232, 3381, 3864, 4242, 4416, 4508, 4646, 4704, 4848, 4949, 5152, 5656, 6464, 6762, 6969, 7728, 8484, 9016, 9292, 9408, 9696, 9898, 10304, 11312, 13524, 13938, 14847, 15456, 16261, 16968, 18032, 18584, 19392, 19796, 22624, 27048, 27876, 29694, 30912, 32522, 33936, 36064, 37168, 39592, 45248, 48783, 54096, 55752, 59388, 65044, 67872, 72128, 74336, 79184, 97566, 108192, 111504, 113827, 118776, 130088, 135744, 148672, 158368, 195132, 216384, 223008, 227654, 237552, 260176, 316736, 341481, 390264, 446016, 455308, 475104, 520352, 682962, 780528, 910616, 950208, 1040704, 1365924, 1561056, 1821232, 2731848, 3122112, 3642464, 5463696, 7284928, 10927392, 21854784]

約数ペア:

[(1, 21854784), (2, 10927392), (3, 7284928), (4, 5463696), (6, 3642464), (7, 3122112), (8, 2731848), (12, 1821232), (14, 1561056), (16, 1365924), (21, 1040704), (23, 950208), (24, 910616), (28, 780528), (32, 682962), (42, 520352), (46, 475104), (48, 455308), (49, 446016), (56, 390264), (64, 341481), (69, 316736), (84, 260176), (92, 237552), (96, 227654), (98, 223008), (101, 216384), (112, 195132), (138, 158368), (147, 148672), (161, 135744), (168, 130088), (184, 118776), (192, 113827), (196, 111504), (202, 108192), (224, 97566), (276, 79184), (294, 74336), (303, 72128), (322, 67872), (336, 65044), (368, 59388), (392, 55752), (404, 54096), (448, 48783), (483, 45248), (552, 39592), (588, 37168), (606, 36064), (644, 33936), (672, 32522), (707, 30912), (736, 29694), (784, 27876), (808, 27048), (966, 22624), (1104, 19796), (1127, 19392), (1176, 18584), (1212, 18032), (1288, 16968), (1344, 16261), (1414, 15456), (1472, 14847), (1568, 13938), (1616, 13524), (1932, 11312), (2121, 10304), (2208, 9898), (2254, 9696), (2323, 9408), (2352, 9292), (2424, 9016), (2576, 8484), (2828, 7728), (3136, 6969), (3232, 6762), (3381, 6464), (3864, 5656), (4242, 5152), (4416, 4949), (4508, 4848), (4646, 4704)]