21154434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 30270846

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 322, 359, 366, 427, 483, 718, 854, 966, 1077, 1281, 1403, 2154, 2513, 2562, 2806, 4209, 5026, 7539, 8257, 8418, 9821, 15078, 16514, 19642, 21899, 24771, 29463, 43798, 49542, 57799, 58926, 65697, 115598, 131394, 153293, 173397, 306586, 346794, 459879, 503677, 919758, 1007354, 1511031, 3022062, 3525739, 7051478, 10577217, 21154434]

約数ペア:

[(1, 21154434), (2, 10577217), (3, 7051478), (6, 3525739), (7, 3022062), (14, 1511031), (21, 1007354), (23, 919758), (42, 503677), (46, 459879), (61, 346794), (69, 306586), (122, 173397), (138, 153293), (161, 131394), (183, 115598), (322, 65697), (359, 58926), (366, 57799), (427, 49542), (483, 43798), (718, 29463), (854, 24771), (966, 21899), (1077, 19642), (1281, 16514), (1403, 15078), (2154, 9821), (2513, 8418), (2562, 8257), (2806, 7539), (4209, 5026)]