21454816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39439}}^1$

素因数の和:39466

約数の個数: 24

約数和(自身を含む): 44724960

約数和(自身を除く): 23270144

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39439, 78878, 157756, 315512, 631024, 670463, 1262048, 1340926, 2681852, 5363704, 10727408, 21454816]

約数ペア:

[(1, 21454816), (2, 10727408), (4, 5363704), (8, 2681852), (16, 1340926), (17, 1262048), (32, 670463), (34, 631024), (68, 315512), (136, 157756), (272, 78878), (544, 39439)]