21751336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 20642264

約数列:

[1, 2, 4, 8, 31, 62, 124, 229, 248, 383, 458, 766, 916, 1532, 1832, 3064, 7099, 11873, 14198, 23746, 28396, 47492, 56792, 87707, 94984, 175414, 350828, 701656, 2718917, 5437834, 10875668, 21751336]

約数ペア:

[(1, 21751336), (2, 10875668), (4, 5437834), (8, 2718917), (31, 701656), (62, 350828), (124, 175414), (229, 94984), (248, 87707), (383, 56792), (458, 47492), (766, 28396), (916, 23746), (1532, 14198), (1832, 11873), (3064, 7099)]