21776768

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 27060832

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 569, 598, 736, 832, 1138, 1196, 1472, 1664, 2276, 2392, 2944, 4552, 4784, 7397, 9104, 9568, 13087, 14794, 18208, 19136, 26174, 29588, 36416, 38272, 52348, 59176, 72832, 104696, 118352, 170131, 209392, 236704, 340262, 418784, 473408, 680524, 837568, 946816, 1361048, 1675136, 2722096, 5444192, 10888384, 21776768]

約数ペア:

[(1, 21776768), (2, 10888384), (4, 5444192), (8, 2722096), (13, 1675136), (16, 1361048), (23, 946816), (26, 837568), (32, 680524), (46, 473408), (52, 418784), (64, 340262), (92, 236704), (104, 209392), (128, 170131), (184, 118352), (208, 104696), (299, 72832), (368, 59176), (416, 52348), (569, 38272), (598, 36416), (736, 29588), (832, 26174), (1138, 19136), (1196, 18208), (1472, 14794), (1664, 13087), (2276, 9568), (2392, 9104), (2944, 7397), (4552, 4784)]