21650196

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 53524800

約数和(自身を除く): 31874604

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 269, 353, 538, 706, 807, 1059, 1076, 1412, 1614, 2118, 3228, 4236, 5111, 6707, 10222, 13414, 15333, 20121, 20444, 26828, 30666, 40242, 61332, 80484, 94957, 189914, 284871, 379828, 569742, 1139484, 1804183, 3608366, 5412549, 7216732, 10825098, 21650196]

約数ペア:

[(1, 21650196), (2, 10825098), (3, 7216732), (4, 5412549), (6, 3608366), (12, 1804183), (19, 1139484), (38, 569742), (57, 379828), (76, 284871), (114, 189914), (228, 94957), (269, 80484), (353, 61332), (538, 40242), (706, 30666), (807, 26828), (1059, 20444), (1076, 20121), (1412, 15333), (1614, 13414), (2118, 10222), (3228, 6707), (4236, 5111)]