21472684

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 38709216

約数和(自身を除く): 17236532

約数列:

[1, 2, 4, 41, 82, 164, 311, 421, 622, 842, 1244, 1684, 12751, 17261, 25502, 34522, 51004, 69044, 130931, 261862, 523724, 5368171, 10736342, 21472684]

約数ペア:

[(1, 21472684), (2, 10736342), (4, 5368171), (41, 523724), (82, 261862), (164, 130931), (311, 69044), (421, 51004), (622, 34522), (842, 25502), (1244, 17261), (1684, 12751)]