21063156320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3210847}}^1$

素因数の和:3210903

約数の個数: 48

約数和(自身を含む): 50975422848

約数和(自身を除く): 29912266528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 3210847, 6421694, 12843388, 16054235, 25686776, 32108470, 51373552, 64216940, 102747104, 128433880, 131644727, 256867760, 263289454, 513735520, 526578908, 658223635, 1053157816, 1316447270, 2106315632, 2632894540, 4212631264, 5265789080, 10531578160, 21063156320]

約数ペア:

[(1, 21063156320), (2, 10531578160), (4, 5265789080), (5, 4212631264), (8, 2632894540), (10, 2106315632), (16, 1316447270), (20, 1053157816), (32, 658223635), (40, 526578908), (41, 513735520), (80, 263289454), (82, 256867760), (160, 131644727), (164, 128433880), (205, 102747104), (328, 64216940), (410, 51373552), (656, 32108470), (820, 25686776), (1312, 16054235), (1640, 12843388), (3280, 6421694), (6560, 3210847)]