21779926

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 16711274

約数列:

[1, 2, 7, 14, 53, 106, 149, 197, 298, 371, 394, 742, 1043, 1379, 2086, 2758, 7897, 10441, 15794, 20882, 29353, 55279, 58706, 73087, 110558, 146174, 205471, 410942, 1555709, 3111418, 10889963, 21779926]

約数ペア:

[(1, 21779926), (2, 10889963), (7, 3111418), (14, 1555709), (53, 410942), (106, 205471), (149, 146174), (197, 110558), (298, 73087), (371, 58706), (394, 55279), (742, 29353), (1043, 20882), (1379, 15794), (2086, 10441), (2758, 7897)]