21271332

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 51666944

約数和(自身を除く): 30395612

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 211, 271, 372, 422, 542, 633, 813, 844, 1084, 1266, 1626, 2532, 3252, 6541, 8401, 13082, 16802, 19623, 25203, 26164, 33604, 39246, 50406, 57181, 78492, 100812, 114362, 171543, 228724, 343086, 686172, 1772611, 3545222, 5317833, 7090444, 10635666, 21271332]

約数ペア:

[(1, 21271332), (2, 10635666), (3, 7090444), (4, 5317833), (6, 3545222), (12, 1772611), (31, 686172), (62, 343086), (93, 228724), (124, 171543), (186, 114362), (211, 100812), (271, 78492), (372, 57181), (422, 50406), (542, 39246), (633, 33604), (813, 26164), (844, 25203), (1084, 19623), (1266, 16802), (1626, 13082), (2532, 8401), (3252, 6541)]