21106494

素因数分解:

$2^1\times 3^5\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 47921328

約数和(自身を除く): 26814834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 243, 274, 317, 411, 486, 634, 822, 951, 1233, 1902, 2466, 2853, 3699, 5706, 7398, 8559, 11097, 17118, 22194, 25677, 33291, 43429, 51354, 66582, 77031, 86858, 130287, 154062, 260574, 390861, 781722, 1172583, 2345166, 3517749, 7035498, 10553247, 21106494]

約数ペア:

[(1, 21106494), (2, 10553247), (3, 7035498), (6, 3517749), (9, 2345166), (18, 1172583), (27, 781722), (54, 390861), (81, 260574), (137, 154062), (162, 130287), (243, 86858), (274, 77031), (317, 66582), (411, 51354), (486, 43429), (634, 33291), (822, 25677), (951, 22194), (1233, 17118), (1902, 11097), (2466, 8559), (2853, 7398), (3699, 5706)]