21489744

素因数分解:

$2^4\times 3^1\times {\mathrm{447703}}^1$

素因数の和:447714

約数の個数: 20

約数和(自身を含む): 55515296

約数和(自身を除く): 34025552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447703, 895406, 1343109, 1790812, 2686218, 3581624, 5372436, 7163248, 10744872, 21489744]

約数ペア:

[(1, 21489744), (2, 10744872), (3, 7163248), (4, 5372436), (6, 3581624), (8, 2686218), (12, 1790812), (16, 1343109), (24, 895406), (48, 447703)]