21132072

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 62506080

約数和(自身を除く): 41374008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 107, 117, 156, 211, 214, 234, 312, 321, 422, 428, 468, 633, 642, 844, 856, 936, 963, 1266, 1284, 1391, 1688, 1899, 1926, 2532, 2568, 2743, 2782, 3798, 3852, 4173, 5064, 5486, 5564, 7596, 7704, 8229, 8346, 10972, 11128, 12519, 15192, 16458, 16692, 21944, 22577, 24687, 25038, 32916, 33384, 45154, 49374, 50076, 65832, 67731, 90308, 98748, 100152, 135462, 180616, 197496, 203193, 270924, 293501, 406386, 541848, 587002, 812772, 880503, 1174004, 1625544, 1761006, 2348008, 2641509, 3522012, 5283018, 7044024, 10566036, 21132072]

約数ペア:

[(1, 21132072), (2, 10566036), (3, 7044024), (4, 5283018), (6, 3522012), (8, 2641509), (9, 2348008), (12, 1761006), (13, 1625544), (18, 1174004), (24, 880503), (26, 812772), (36, 587002), (39, 541848), (52, 406386), (72, 293501), (78, 270924), (104, 203193), (107, 197496), (117, 180616), (156, 135462), (211, 100152), (214, 98748), (234, 90308), (312, 67731), (321, 65832), (422, 50076), (428, 49374), (468, 45154), (633, 33384), (642, 32916), (844, 25038), (856, 24687), (936, 22577), (963, 21944), (1266, 16692), (1284, 16458), (1391, 15192), (1688, 12519), (1899, 11128), (1926, 10972), (2532, 8346), (2568, 8229), (2743, 7704), (2782, 7596), (3798, 5564), (3852, 5486), (4173, 5064)]