21752226

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 52968960

約数和(自身を除く): 31216734

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 81, 111, 114, 162, 171, 191, 222, 333, 342, 382, 513, 573, 666, 703, 999, 1026, 1146, 1406, 1539, 1719, 1998, 2109, 2997, 3078, 3438, 3629, 4218, 5157, 5994, 6327, 7067, 7258, 10314, 10887, 12654, 14134, 15471, 18981, 21201, 21774, 30942, 32661, 37962, 42402, 56943, 63603, 65322, 97983, 113886, 127206, 134273, 190809, 195966, 268546, 293949, 381618, 402819, 572427, 587898, 805638, 1144854, 1208457, 2416914, 3625371, 7250742, 10876113, 21752226]

約数ペア:

[(1, 21752226), (2, 10876113), (3, 7250742), (6, 3625371), (9, 2416914), (18, 1208457), (19, 1144854), (27, 805638), (37, 587898), (38, 572427), (54, 402819), (57, 381618), (74, 293949), (81, 268546), (111, 195966), (114, 190809), (162, 134273), (171, 127206), (191, 113886), (222, 97983), (333, 65322), (342, 63603), (382, 56943), (513, 42402), (573, 37962), (666, 32661), (703, 30942), (999, 21774), (1026, 21201), (1146, 18981), (1406, 15471), (1539, 14134), (1719, 12654), (1998, 10887), (2109, 10314), (2997, 7258), (3078, 7067), (3438, 6327), (3629, 5994), (4218, 5157)]