21100002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32122398

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 109, 154, 218, 231, 327, 419, 462, 654, 763, 838, 1199, 1257, 1526, 2289, 2398, 2514, 2933, 3597, 4578, 4609, 5866, 7194, 8393, 8799, 9218, 13827, 16786, 17598, 25179, 27654, 32263, 45671, 50358, 64526, 91342, 96789, 137013, 193578, 274026, 319697, 502381, 639394, 959091, 1004762, 1507143, 1918182, 3014286, 3516667, 7033334, 10550001, 21100002]

約数ペア:

[(1, 21100002), (2, 10550001), (3, 7033334), (6, 3516667), (7, 3014286), (11, 1918182), (14, 1507143), (21, 1004762), (22, 959091), (33, 639394), (42, 502381), (66, 319697), (77, 274026), (109, 193578), (154, 137013), (218, 96789), (231, 91342), (327, 64526), (419, 50358), (462, 45671), (654, 32263), (763, 27654), (838, 25179), (1199, 17598), (1257, 16786), (1526, 13827), (2289, 9218), (2398, 8799), (2514, 8393), (2933, 7194), (3597, 5866), (4578, 4609)]