21463338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 47380896

約数和(自身を除く): 25917558

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 338, 347, 366, 507, 694, 793, 1014, 1041, 1586, 2082, 2379, 4511, 4758, 9022, 10309, 13533, 20618, 21167, 27066, 30927, 42334, 58643, 61854, 63501, 117286, 127002, 175929, 275171, 351858, 550342, 825513, 1651026, 3577223, 7154446, 10731669, 21463338]

約数ペア:

[(1, 21463338), (2, 10731669), (3, 7154446), (6, 3577223), (13, 1651026), (26, 825513), (39, 550342), (61, 351858), (78, 275171), (122, 175929), (169, 127002), (183, 117286), (338, 63501), (347, 61854), (366, 58643), (507, 42334), (694, 30927), (793, 27066), (1014, 21167), (1041, 20618), (1586, 13533), (2082, 10309), (2379, 9022), (4511, 4758)]