21954842

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 43475040

約数和(自身を除く): 21520198

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 907, 931, 1274, 1729, 1814, 1862, 3458, 6349, 11791, 12103, 12698, 17233, 23582, 24206, 34466, 44443, 82537, 88886, 120631, 165074, 224029, 241262, 448058, 577759, 844417, 1155518, 1568203, 1688834, 3136406, 10977421, 21954842]

約数ペア:

[(1, 21954842), (2, 10977421), (7, 3136406), (13, 1688834), (14, 1568203), (19, 1155518), (26, 844417), (38, 577759), (49, 448058), (91, 241262), (98, 224029), (133, 165074), (182, 120631), (247, 88886), (266, 82537), (494, 44443), (637, 34466), (907, 24206), (931, 23582), (1274, 17233), (1729, 12698), (1814, 12103), (1862, 11791), (3458, 6349)]