21929075

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 32401200

約数和(自身を除く): 10472125

約数列:

[1, 5, 7, 25, 29, 35, 145, 149, 175, 203, 725, 745, 841, 1015, 1043, 3725, 4205, 4321, 5075, 5215, 5887, 21025, 21605, 26075, 29435, 30247, 108025, 125309, 147175, 151235, 626545, 756175, 877163, 3132725, 4385815, 21929075]

約数ペア:

[(1, 21929075), (5, 4385815), (7, 3132725), (25, 877163), (29, 756175), (35, 626545), (145, 151235), (149, 147175), (175, 125309), (203, 108025), (725, 30247), (745, 29435), (841, 26075), (1015, 21605), (1043, 21025), (3725, 5887), (4205, 5215), (4321, 5075)]