21473284

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5147}}^1$

素因数の和:5307

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 21769916

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5147, 10294, 20588, 36029, 72058, 144116, 766903, 1533806, 3067612, 5368321, 10736642, 21473284]

約数ペア:

[(1, 21473284), (2, 10736642), (4, 5368321), (7, 3067612), (14, 1533806), (28, 766903), (149, 144116), (298, 72058), (596, 36029), (1043, 20588), (2086, 10294), (4172, 5147)]