21893484

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 55702080

約数和(自身を除く): 33808596

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 59, 68, 102, 107, 118, 177, 204, 214, 236, 289, 321, 354, 428, 578, 642, 708, 867, 1003, 1156, 1284, 1734, 1819, 2006, 3009, 3468, 3638, 4012, 5457, 6018, 6313, 7276, 10914, 12036, 12626, 17051, 18939, 21828, 25252, 30923, 34102, 37878, 51153, 61846, 68204, 75756, 92769, 102306, 107321, 123692, 185538, 204612, 214642, 321963, 371076, 429284, 643926, 1287852, 1824457, 3648914, 5473371, 7297828, 10946742, 21893484]

約数ペア:

[(1, 21893484), (2, 10946742), (3, 7297828), (4, 5473371), (6, 3648914), (12, 1824457), (17, 1287852), (34, 643926), (51, 429284), (59, 371076), (68, 321963), (102, 214642), (107, 204612), (118, 185538), (177, 123692), (204, 107321), (214, 102306), (236, 92769), (289, 75756), (321, 68204), (354, 61846), (428, 51153), (578, 37878), (642, 34102), (708, 30923), (867, 25252), (1003, 21828), (1156, 18939), (1284, 17051), (1734, 12626), (1819, 12036), (2006, 10914), (3009, 7276), (3468, 6313), (3638, 6018), (4012, 5457)]