21125048784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62872169}}^1$

素因数の和:62872187

約数の個数: 40

約数和(自身を含む): 62369192640

約数和(自身を除く): 41244143856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62872169, 125744338, 188616507, 251488676, 377233014, 440105183, 502977352, 754466028, 880210366, 1005954704, 1320315549, 1508932056, 1760420732, 2640631098, 3017864112, 3520841464, 5281262196, 7041682928, 10562524392, 21125048784]

約数ペア:

[(1, 21125048784), (2, 10562524392), (3, 7041682928), (4, 5281262196), (6, 3520841464), (7, 3017864112), (8, 2640631098), (12, 1760420732), (14, 1508932056), (16, 1320315549), (21, 1005954704), (24, 880210366), (28, 754466028), (42, 502977352), (48, 440105183), (56, 377233014), (84, 251488676), (112, 188616507), (168, 125744338), (336, 62872169)]