21120632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 42850080

約数和(自身を除く): 21729448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 622, 653, 1244, 1306, 2488, 2612, 4043, 5224, 8086, 8489, 16172, 16978, 32344, 33956, 67912, 203083, 406166, 812332, 1624664, 2640079, 5280158, 10560316, 21120632]

約数ペア:

[(1, 21120632), (2, 10560316), (4, 5280158), (8, 2640079), (13, 1624664), (26, 812332), (52, 406166), (104, 203083), (311, 67912), (622, 33956), (653, 32344), (1244, 16978), (1306, 16172), (2488, 8489), (2612, 8086), (4043, 5224)]