21043602

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 49320960

約数和(自身を除く): 28277358

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1663, 2109, 3326, 4218, 4989, 6327, 9978, 12654, 14967, 29934, 31597, 61531, 63194, 94791, 123062, 184593, 189582, 284373, 369186, 553779, 568746, 1107558, 1169089, 2338178, 3507267, 7014534, 10521801, 21043602]

約数ペア:

[(1, 21043602), (2, 10521801), (3, 7014534), (6, 3507267), (9, 2338178), (18, 1169089), (19, 1107558), (37, 568746), (38, 553779), (57, 369186), (74, 284373), (111, 189582), (114, 184593), (171, 123062), (222, 94791), (333, 63194), (342, 61531), (666, 31597), (703, 29934), (1406, 14967), (1663, 12654), (2109, 9978), (3326, 6327), (4218, 4989)]