21937398

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33220362

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 31, 42, 49, 58, 62, 83, 87, 93, 98, 147, 166, 174, 186, 203, 217, 249, 294, 406, 434, 498, 581, 609, 651, 899, 1162, 1218, 1302, 1421, 1519, 1743, 1798, 2407, 2573, 2697, 2842, 3038, 3486, 4067, 4263, 4557, 4814, 5146, 5394, 6293, 7221, 7719, 8134, 8526, 9114, 12201, 12586, 14442, 15438, 16849, 18011, 18879, 24402, 33698, 36022, 37758, 44051, 50547, 54033, 74617, 88102, 101094, 108066, 117943, 126077, 132153, 149234, 223851, 235886, 252154, 264306, 353829, 378231, 447702, 522319, 707658, 756462, 1044638, 1566957, 3133914, 3656233, 7312466, 10968699, 21937398]

約数ペア:

[(1, 21937398), (2, 10968699), (3, 7312466), (6, 3656233), (7, 3133914), (14, 1566957), (21, 1044638), (29, 756462), (31, 707658), (42, 522319), (49, 447702), (58, 378231), (62, 353829), (83, 264306), (87, 252154), (93, 235886), (98, 223851), (147, 149234), (166, 132153), (174, 126077), (186, 117943), (203, 108066), (217, 101094), (249, 88102), (294, 74617), (406, 54033), (434, 50547), (498, 44051), (581, 37758), (609, 36022), (651, 33698), (899, 24402), (1162, 18879), (1218, 18011), (1302, 16849), (1421, 15438), (1519, 14442), (1743, 12586), (1798, 12201), (2407, 9114), (2573, 8526), (2697, 8134), (2842, 7719), (3038, 7221), (3486, 6293), (4067, 5394), (4263, 5146), (4557, 4814)]