21256596

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 36925164

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 739, 799, 846, 1478, 1598, 1692, 2217, 2397, 2956, 3196, 4434, 4794, 6651, 7191, 8868, 9588, 12563, 13302, 14382, 25126, 26604, 28764, 34733, 37689, 50252, 69466, 75378, 104199, 113067, 138932, 150756, 208398, 226134, 312597, 416796, 452268, 590461, 625194, 1180922, 1250388, 1771383, 2361844, 3542766, 5314149, 7085532, 10628298, 21256596]

約数ペア:

[(1, 21256596), (2, 10628298), (3, 7085532), (4, 5314149), (6, 3542766), (9, 2361844), (12, 1771383), (17, 1250388), (18, 1180922), (34, 625194), (36, 590461), (47, 452268), (51, 416796), (68, 312597), (94, 226134), (102, 208398), (141, 150756), (153, 138932), (188, 113067), (204, 104199), (282, 75378), (306, 69466), (423, 50252), (564, 37689), (612, 34733), (739, 28764), (799, 26604), (846, 25126), (1478, 14382), (1598, 13302), (1692, 12563), (2217, 9588), (2397, 8868), (2956, 7191), (3196, 6651), (4434, 4794)]