21972452

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 40330752

約数和(自身を除く): 18358300

約数列:

[1, 2, 4, 23, 46, 92, 241, 482, 964, 991, 1982, 3964, 5543, 11086, 22172, 22793, 45586, 91172, 238831, 477662, 955324, 5493113, 10986226, 21972452]

約数ペア:

[(1, 21972452), (2, 10986226), (4, 5493113), (23, 955324), (46, 477662), (92, 238831), (241, 91172), (482, 45586), (964, 22793), (991, 22172), (1982, 11086), (3964, 5543)]