21197448

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 60317400

約数和(自身を除く): 39119952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 73, 74, 109, 111, 146, 148, 218, 219, 222, 292, 296, 327, 333, 436, 438, 444, 584, 654, 657, 666, 872, 876, 888, 981, 1308, 1314, 1332, 1752, 1962, 2616, 2628, 2664, 2701, 3924, 4033, 5256, 5402, 7848, 7957, 8066, 8103, 10804, 12099, 15914, 16132, 16206, 21608, 23871, 24198, 24309, 31828, 32264, 32412, 36297, 47742, 48396, 48618, 63656, 64824, 71613, 72594, 95484, 96792, 97236, 143226, 145188, 190968, 194472, 286452, 290376, 294409, 572904, 588818, 883227, 1177636, 1766454, 2355272, 2649681, 3532908, 5299362, 7065816, 10598724, 21197448]

約数ペア:

[(1, 21197448), (2, 10598724), (3, 7065816), (4, 5299362), (6, 3532908), (8, 2649681), (9, 2355272), (12, 1766454), (18, 1177636), (24, 883227), (36, 588818), (37, 572904), (72, 294409), (73, 290376), (74, 286452), (109, 194472), (111, 190968), (146, 145188), (148, 143226), (218, 97236), (219, 96792), (222, 95484), (292, 72594), (296, 71613), (327, 64824), (333, 63656), (436, 48618), (438, 48396), (444, 47742), (584, 36297), (654, 32412), (657, 32264), (666, 31828), (872, 24309), (876, 24198), (888, 23871), (981, 21608), (1308, 16206), (1314, 16132), (1332, 15914), (1752, 12099), (1962, 10804), (2616, 8103), (2628, 8066), (2664, 7957), (2701, 7848), (3924, 5402), (4033, 5256)]