21650076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 63764064

約数和(自身を除く): 42113988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1621, 1908, 2226, 3242, 3339, 4452, 4863, 6484, 6678, 9726, 11347, 13356, 14589, 19452, 22694, 29178, 34041, 45388, 58356, 68082, 85913, 102123, 136164, 171826, 204246, 257739, 343652, 408492, 515478, 601391, 773217, 1030956, 1202782, 1546434, 1804173, 2405564, 3092868, 3608346, 5412519, 7216692, 10825038, 21650076]

約数ペア:

[(1, 21650076), (2, 10825038), (3, 7216692), (4, 5412519), (6, 3608346), (7, 3092868), (9, 2405564), (12, 1804173), (14, 1546434), (18, 1202782), (21, 1030956), (28, 773217), (36, 601391), (42, 515478), (53, 408492), (63, 343652), (84, 257739), (106, 204246), (126, 171826), (159, 136164), (212, 102123), (252, 85913), (318, 68082), (371, 58356), (477, 45388), (636, 34041), (742, 29178), (954, 22694), (1113, 19452), (1484, 14589), (1621, 13356), (1908, 11347), (2226, 9726), (3242, 6678), (3339, 6484), (4452, 4863)]