21453030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1045

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 34566570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 683, 698, 1047, 1366, 1745, 2049, 2094, 3141, 3415, 3490, 4098, 5235, 6147, 6282, 6830, 10245, 10470, 12294, 15705, 20490, 30735, 31410, 61470, 238367, 476734, 715101, 1191835, 1430202, 2145303, 2383670, 3575505, 4290606, 7151010, 10726515, 21453030]

約数ペア:

[(1, 21453030), (2, 10726515), (3, 7151010), (5, 4290606), (6, 3575505), (9, 2383670), (10, 2145303), (15, 1430202), (18, 1191835), (30, 715101), (45, 476734), (90, 238367), (349, 61470), (683, 31410), (698, 30735), (1047, 20490), (1366, 15705), (1745, 12294), (2049, 10470), (2094, 10245), (3141, 6830), (3415, 6282), (3490, 6147), (4098, 5235)]