21734115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 37691136

約数和(自身を除く): 15957021

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 491, 681, 1135, 1473, 2455, 2951, 3405, 6383, 7365, 8853, 14755, 19149, 31915, 44265, 95745, 111457, 334371, 557285, 1448941, 1671855, 4346823, 7244705, 21734115]

約数ペア:

[(1, 21734115), (3, 7244705), (5, 4346823), (13, 1671855), (15, 1448941), (39, 557285), (65, 334371), (195, 111457), (227, 95745), (491, 44265), (681, 31915), (1135, 19149), (1473, 14755), (2455, 8853), (2951, 7365), (3405, 6383)]