21222584

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20055016

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 712, 727, 1454, 2908, 3649, 5816, 7298, 14596, 29192, 29807, 59614, 64703, 119228, 129406, 238456, 258812, 517624, 2652823, 5305646, 10611292, 21222584]

約数ペア:

[(1, 21222584), (2, 10611292), (4, 5305646), (8, 2652823), (41, 517624), (82, 258812), (89, 238456), (164, 129406), (178, 119228), (328, 64703), (356, 59614), (712, 29807), (727, 29192), (1454, 14596), (2908, 7298), (3649, 5816)]