21798828

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 40132692

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 93, 102, 108, 124, 153, 186, 204, 279, 306, 372, 383, 459, 527, 558, 612, 766, 837, 918, 1054, 1116, 1149, 1532, 1581, 1674, 1836, 2108, 2298, 3162, 3348, 3447, 4596, 4743, 6324, 6511, 6894, 9486, 10341, 11873, 13022, 13788, 14229, 18972, 19533, 20682, 23746, 26044, 28458, 35619, 39066, 41364, 47492, 56916, 58599, 71238, 78132, 106857, 117198, 142476, 175797, 201841, 213714, 234396, 320571, 351594, 403682, 427428, 605523, 641142, 703188, 807364, 1211046, 1282284, 1816569, 2422092, 3633138, 5449707, 7266276, 10899414, 21798828]

約数ペア:

[(1, 21798828), (2, 10899414), (3, 7266276), (4, 5449707), (6, 3633138), (9, 2422092), (12, 1816569), (17, 1282284), (18, 1211046), (27, 807364), (31, 703188), (34, 641142), (36, 605523), (51, 427428), (54, 403682), (62, 351594), (68, 320571), (93, 234396), (102, 213714), (108, 201841), (124, 175797), (153, 142476), (186, 117198), (204, 106857), (279, 78132), (306, 71238), (372, 58599), (383, 56916), (459, 47492), (527, 41364), (558, 39066), (612, 35619), (766, 28458), (837, 26044), (918, 23746), (1054, 20682), (1116, 19533), (1149, 18972), (1532, 14229), (1581, 13788), (1674, 13022), (1836, 11873), (2108, 10341), (2298, 9486), (3162, 6894), (3348, 6511), (3447, 6324), (4596, 4743)]