21970294947

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1\times {\mathrm{4703}}^1$

素因数の和:6352

約数の個数: 48

約数和(自身を含む): 35399669760

約数和(自身を除く): 13429374813

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 1607, 2907, 4703, 4821, 14109, 14463, 27319, 30533, 42327, 79951, 81957, 89357, 91599, 239853, 245871, 268071, 274797, 519061, 719559, 804213, 1519069, 1557183, 4557207, 4671549, 7557721, 13671621, 22673163, 68019489, 128481257, 143596699, 385443771, 430790097, 1156331313, 1292370291, 2441143883, 7323431649, 21970294947]

約数ペア:

[(1, 21970294947), (3, 7323431649), (9, 2441143883), (17, 1292370291), (19, 1156331313), (51, 430790097), (57, 385443771), (153, 143596699), (171, 128481257), (323, 68019489), (969, 22673163), (1607, 13671621), (2907, 7557721), (4703, 4671549), (4821, 4557207), (14109, 1557183), (14463, 1519069), (27319, 804213), (30533, 719559), (42327, 519061), (79951, 274797), (81957, 268071), (89357, 245871), (91599, 239853)]