20211516624

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{19477}}^1$

素因数の和:21164

約数の個数: 80

約数和(自身を含む): 56266176512

約数和(自身を除く): 36054659888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1663, 3326, 4989, 6652, 9978, 13304, 19477, 19956, 21619, 26608, 38954, 39912, 43238, 58431, 64857, 77908, 79824, 86476, 116862, 129714, 155816, 172952, 233724, 253201, 259428, 311632, 345904, 467448, 506402, 518856, 759603, 934896, 1012804, 1037712, 1519206, 2025608, 3038412, 4051216, 6076824, 12153648, 32390251, 64780502, 97170753, 129561004, 194341506, 259122008, 388683012, 421073263, 518244016, 777366024, 842146526, 1263219789, 1554732048, 1684293052, 2526439578, 3368586104, 5052879156, 6737172208, 10105758312, 20211516624]

約数ペア:

[(1, 20211516624), (2, 10105758312), (3, 6737172208), (4, 5052879156), (6, 3368586104), (8, 2526439578), (12, 1684293052), (13, 1554732048), (16, 1263219789), (24, 842146526), (26, 777366024), (39, 518244016), (48, 421073263), (52, 388683012), (78, 259122008), (104, 194341506), (156, 129561004), (208, 97170753), (312, 64780502), (624, 32390251), (1663, 12153648), (3326, 6076824), (4989, 4051216), (6652, 3038412), (9978, 2025608), (13304, 1519206), (19477, 1037712), (19956, 1012804), (21619, 934896), (26608, 759603), (38954, 518856), (39912, 506402), (43238, 467448), (58431, 345904), (64857, 311632), (77908, 259428), (79824, 253201), (86476, 233724), (116862, 172952), (129714, 155816)]