21190248

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 60570180

約数和(自身を除く): 39379932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 617, 636, 648, 954, 1234, 1272, 1431, 1851, 1908, 2468, 2862, 3702, 3816, 4293, 4936, 5553, 5724, 7404, 8586, 11106, 11448, 14808, 16659, 17172, 22212, 32701, 33318, 34344, 44424, 49977, 65402, 66636, 98103, 99954, 130804, 133272, 196206, 199908, 261608, 294309, 392412, 399816, 588618, 784824, 882927, 1177236, 1765854, 2354472, 2648781, 3531708, 5297562, 7063416, 10595124, 21190248]

約数ペア:

[(1, 21190248), (2, 10595124), (3, 7063416), (4, 5297562), (6, 3531708), (8, 2648781), (9, 2354472), (12, 1765854), (18, 1177236), (24, 882927), (27, 784824), (36, 588618), (53, 399816), (54, 392412), (72, 294309), (81, 261608), (106, 199908), (108, 196206), (159, 133272), (162, 130804), (212, 99954), (216, 98103), (318, 66636), (324, 65402), (424, 49977), (477, 44424), (617, 34344), (636, 33318), (648, 32701), (954, 22212), (1234, 17172), (1272, 16659), (1431, 14808), (1851, 11448), (1908, 11106), (2468, 8586), (2862, 7404), (3702, 5724), (3816, 5553), (4293, 4936)]