21761878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{877}}^1$

素因数の和:1551

約数の個数: 16

約数和(自身を含む): 34452720

約数和(自身を除く): 12690842

約数列:

[1, 2, 19, 38, 653, 877, 1306, 1754, 12407, 16663, 24814, 33326, 572681, 1145362, 10880939, 21761878]

約数ペア:

[(1, 21761878), (2, 10880939), (19, 1145362), (38, 572681), (653, 33326), (877, 24814), (1306, 16663), (1754, 12407)]