21959256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 38359464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 223, 264, 373, 446, 669, 746, 892, 1119, 1338, 1492, 1784, 2238, 2453, 2676, 2984, 4103, 4476, 4906, 5352, 7359, 8206, 8952, 9812, 12309, 14718, 16412, 19624, 24618, 29436, 32824, 49236, 58872, 83179, 98472, 166358, 249537, 332716, 499074, 665432, 914969, 998148, 1829938, 1996296, 2744907, 3659876, 5489814, 7319752, 10979628, 21959256]

約数ペア:

[(1, 21959256), (2, 10979628), (3, 7319752), (4, 5489814), (6, 3659876), (8, 2744907), (11, 1996296), (12, 1829938), (22, 998148), (24, 914969), (33, 665432), (44, 499074), (66, 332716), (88, 249537), (132, 166358), (223, 98472), (264, 83179), (373, 58872), (446, 49236), (669, 32824), (746, 29436), (892, 24618), (1119, 19624), (1338, 16412), (1492, 14718), (1784, 12309), (2238, 9812), (2453, 8952), (2676, 8206), (2984, 7359), (4103, 5352), (4476, 4906)]