21821904

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11657}}^1$

素因数の和:11684

約数の個数: 60

約数和(自身を含む): 65774436

約数和(自身を除く): 43952532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11657, 23314, 34971, 46628, 69942, 93256, 104913, 139884, 151541, 186512, 209826, 279768, 303082, 419652, 454623, 559536, 606164, 839304, 909246, 1212328, 1363869, 1678608, 1818492, 2424656, 2727738, 3636984, 5455476, 7273968, 10910952, 21821904]

約数ペア:

[(1, 21821904), (2, 10910952), (3, 7273968), (4, 5455476), (6, 3636984), (8, 2727738), (9, 2424656), (12, 1818492), (13, 1678608), (16, 1363869), (18, 1212328), (24, 909246), (26, 839304), (36, 606164), (39, 559536), (48, 454623), (52, 419652), (72, 303082), (78, 279768), (104, 209826), (117, 186512), (144, 151541), (156, 139884), (208, 104913), (234, 93256), (312, 69942), (468, 46628), (624, 34971), (936, 23314), (1872, 11657)]