21665965048

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4251563}}^1$

素因数の和:4251596

約数の個数: 48

約数和(自身を含む): 50891221080

約数和(自身を除く): 29225256032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 4251563, 8503126, 17006252, 29760941, 34012504, 55270319, 59521882, 110540638, 119043764, 208326587, 221081276, 238087528, 386892233, 416653174, 442162552, 773784466, 833306348, 1547568932, 1666612696, 2708245631, 3095137864, 5416491262, 10832982524, 21665965048]

約数ペア:

[(1, 21665965048), (2, 10832982524), (4, 5416491262), (7, 3095137864), (8, 2708245631), (13, 1666612696), (14, 1547568932), (26, 833306348), (28, 773784466), (49, 442162552), (52, 416653174), (56, 386892233), (91, 238087528), (98, 221081276), (104, 208326587), (182, 119043764), (196, 110540638), (364, 59521882), (392, 55270319), (637, 34012504), (728, 29760941), (1274, 17006252), (2548, 8503126), (5096, 4251563)]