21998034

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 31500846

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 93, 102, 153, 186, 279, 306, 459, 527, 558, 773, 837, 918, 1054, 1546, 1581, 1674, 2319, 3162, 4638, 4743, 6957, 9486, 13141, 13914, 14229, 20871, 23963, 26282, 28458, 39423, 41742, 47926, 71889, 78846, 118269, 143778, 215667, 236538, 354807, 407371, 431334, 647001, 709614, 814742, 1222113, 1294002, 2444226, 3666339, 7332678, 10999017, 21998034]

約数ペア:

[(1, 21998034), (2, 10999017), (3, 7332678), (6, 3666339), (9, 2444226), (17, 1294002), (18, 1222113), (27, 814742), (31, 709614), (34, 647001), (51, 431334), (54, 407371), (62, 354807), (93, 236538), (102, 215667), (153, 143778), (186, 118269), (279, 78846), (306, 71889), (459, 47926), (527, 41742), (558, 39423), (773, 28458), (837, 26282), (918, 23963), (1054, 20871), (1546, 14229), (1581, 13914), (1674, 13141), (2319, 9486), (3162, 6957), (4638, 4743)]