21438162

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 29606958

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 369, 414, 421, 621, 738, 842, 943, 1107, 1242, 1263, 1886, 2214, 2526, 2829, 3789, 5658, 7578, 8487, 9683, 11367, 16974, 17261, 19366, 22734, 25461, 29049, 34522, 50922, 51783, 58098, 87147, 103566, 155349, 174294, 261441, 310698, 397003, 466047, 522882, 794006, 932094, 1191009, 2382018, 3573027, 7146054, 10719081, 21438162]

約数ペア:

[(1, 21438162), (2, 10719081), (3, 7146054), (6, 3573027), (9, 2382018), (18, 1191009), (23, 932094), (27, 794006), (41, 522882), (46, 466047), (54, 397003), (69, 310698), (82, 261441), (123, 174294), (138, 155349), (207, 103566), (246, 87147), (369, 58098), (414, 51783), (421, 50922), (621, 34522), (738, 29049), (842, 25461), (943, 22734), (1107, 19366), (1242, 17261), (1263, 16974), (1886, 11367), (2214, 9683), (2526, 8487), (2829, 7578), (3789, 5658)]