21291438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26681}}^1$

素因数の和:26712

約数の個数: 32

約数和(自身を含む): 51229440

約数和(自身を除く): 29938002

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26681, 53362, 80043, 160086, 186767, 373534, 506939, 560301, 1013878, 1120602, 1520817, 3041634, 3548573, 7097146, 10645719, 21291438]

約数ペア:

[(1, 21291438), (2, 10645719), (3, 7097146), (6, 3548573), (7, 3041634), (14, 1520817), (19, 1120602), (21, 1013878), (38, 560301), (42, 506939), (57, 373534), (114, 186767), (133, 160086), (266, 80043), (399, 53362), (798, 26681)]