21017647588

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2521}}^1\times {\mathrm{3769}}^1$

素因数の和:6380

約数の個数: 48

約数和(自身を含む): 42595571200

約数和(自身を除く): 21577923612

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 2521, 3769, 5042, 7538, 10084, 15076, 17647, 26383, 35294, 52766, 70588, 105532, 199159, 297751, 398318, 595502, 796636, 1191004, 1394113, 2084257, 2788226, 4168514, 5576452, 8337028, 9501649, 19003298, 38006596, 66511543, 133023086, 266046172, 750630271, 1501260542, 3002521084, 5254411897, 10508823794, 21017647588]

約数ペア:

[(1, 21017647588), (2, 10508823794), (4, 5254411897), (7, 3002521084), (14, 1501260542), (28, 750630271), (79, 266046172), (158, 133023086), (316, 66511543), (553, 38006596), (1106, 19003298), (2212, 9501649), (2521, 8337028), (3769, 5576452), (5042, 4168514), (7538, 2788226), (10084, 2084257), (15076, 1394113), (17647, 1191004), (26383, 796636), (35294, 595502), (52766, 398318), (70588, 297751), (105532, 199159)]