21903052161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1\times {\mathrm{12107}}^1$

素因数の和:14013

約数の個数: 32

約数和(自身を含む): 32569551360

約数和(自身を除く): 10666499199

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 1867, 5601, 12107, 31739, 35473, 36321, 95217, 106419, 205819, 230033, 603041, 617457, 690099, 1809123, 3910561, 11731683, 22603769, 67811307, 384264073, 429471611, 1152792219, 1288414833, 7301017387, 21903052161]

約数ペア:

[(1, 21903052161), (3, 7301017387), (17, 1288414833), (19, 1152792219), (51, 429471611), (57, 384264073), (323, 67811307), (969, 22603769), (1867, 11731683), (5601, 3910561), (12107, 1809123), (31739, 690099), (35473, 617457), (36321, 603041), (95217, 230033), (106419, 205819)]