21995464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3911}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 44596800

約数和(自身を除く): 22601336

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3911, 5624, 7822, 15644, 31288, 74309, 144707, 148618, 289414, 297236, 578828, 594472, 1157656, 2749433, 5498866, 10997732, 21995464]

約数ペア:

[(1, 21995464), (2, 10997732), (4, 5498866), (8, 2749433), (19, 1157656), (37, 594472), (38, 578828), (74, 297236), (76, 289414), (148, 148618), (152, 144707), (296, 74309), (703, 31288), (1406, 15644), (2812, 7822), (3911, 5624)]