21302988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253607}}^1$

素因数の和:253621

約数の個数: 24

約数和(自身を含む): 56808192

約数和(自身を除く): 35505204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253607, 507214, 760821, 1014428, 1521642, 1775249, 3043284, 3550498, 5325747, 7100996, 10651494, 21302988]

約数ペア:

[(1, 21302988), (2, 10651494), (3, 7100996), (4, 5325747), (6, 3550498), (7, 3043284), (12, 1775249), (14, 1521642), (21, 1014428), (28, 760821), (42, 507214), (84, 253607)]