21555354

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 47390976

約数和(自身を除く): 25835622

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 289, 401, 527, 578, 802, 867, 1054, 1203, 1581, 1734, 2406, 3162, 6817, 8959, 12431, 13634, 17918, 20451, 24862, 26877, 37293, 40902, 53754, 74586, 115889, 211327, 231778, 347667, 422654, 633981, 695334, 1267962, 3592559, 7185118, 10777677, 21555354]

約数ペア:

[(1, 21555354), (2, 10777677), (3, 7185118), (6, 3592559), (17, 1267962), (31, 695334), (34, 633981), (51, 422654), (62, 347667), (93, 231778), (102, 211327), (186, 115889), (289, 74586), (401, 53754), (527, 40902), (578, 37293), (802, 26877), (867, 24862), (1054, 20451), (1203, 17918), (1581, 13634), (1734, 12431), (2406, 8959), (3162, 6817)]