21031859538

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 46608307200

約数和(自身を除く): 25576447662

約数列:

[1, 2, 3, 6, 9, 18, 139, 151, 179, 278, 302, 311, 358, 417, 453, 537, 622, 834, 906, 933, 1074, 1251, 1359, 1611, 1866, 2502, 2718, 2799, 3222, 5598, 20989, 24881, 27029, 41978, 43229, 46961, 49762, 54058, 55669, 62967, 74643, 81087, 86458, 93922, 111338, 125934, 129687, 140883, 149286, 162174, 167007, 188901, 223929, 243261, 259374, 281766, 334014, 377802, 389061, 422649, 447858, 486522, 501021, 778122, 845298, 1002042, 3757031, 6527579, 7514062, 7737991, 8406019, 11271093, 13055158, 15475982, 16812038, 19582737, 22542186, 23213973, 25218057, 33813279, 39165474, 46427946, 50436114, 58748211, 67626558, 69641919, 75654171, 117496422, 139283838, 151308342, 1168436641, 2336873282, 3505309923, 7010619846, 10515929769, 21031859538]

約数ペア:

[(1, 21031859538), (2, 10515929769), (3, 7010619846), (6, 3505309923), (9, 2336873282), (18, 1168436641), (139, 151308342), (151, 139283838), (179, 117496422), (278, 75654171), (302, 69641919), (311, 67626558), (358, 58748211), (417, 50436114), (453, 46427946), (537, 39165474), (622, 33813279), (834, 25218057), (906, 23213973), (933, 22542186), (1074, 19582737), (1251, 16812038), (1359, 15475982), (1611, 13055158), (1866, 11271093), (2502, 8406019), (2718, 7737991), (2799, 7514062), (3222, 6527579), (5598, 3757031), (20989, 1002042), (24881, 845298), (27029, 778122), (41978, 501021), (43229, 486522), (46961, 447858), (49762, 422649), (54058, 389061), (55669, 377802), (62967, 334014), (74643, 281766), (81087, 259374), (86458, 243261), (93922, 223929), (111338, 188901), (125934, 167007), (129687, 162174), (140883, 149286)]