21149189520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{7621}}^1$

素因数の和:8041

約数の個数: 160

約数和(自身を含む): 67867751424

約数和(自身を除く): 46718561904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 373, 465, 496, 620, 744, 746, 930, 1119, 1240, 1488, 1492, 1860, 1865, 2238, 2480, 2984, 3720, 3730, 4476, 5595, 5968, 7440, 7460, 7621, 8952, 11190, 11563, 14920, 15242, 17904, 22380, 22863, 23126, 29840, 30484, 34689, 38105, 44760, 45726, 46252, 57815, 60968, 69378, 76210, 89520, 91452, 92504, 114315, 115630, 121936, 138756, 152420, 173445, 182904, 185008, 228630, 231260, 236251, 277512, 304840, 346890, 365808, 457260, 462520, 472502, 555024, 609680, 693780, 708753, 914520, 925040, 945004, 1181255, 1387560, 1417506, 1829040, 1890008, 2362510, 2775120, 2835012, 2842633, 3543765, 3780016, 4725020, 5670024, 5685266, 7087530, 8527899, 9450040, 11340048, 11370532, 14175060, 14213165, 17055798, 18900080, 22741064, 28350120, 28426330, 34111596, 42639495, 45482128, 56700240, 56852660, 68223192, 85278990, 88121623, 113705320, 136446384, 170557980, 176243246, 227410640, 264364869, 341115960, 352486492, 440608115, 528729738, 682231920, 704972984, 881216230, 1057459476, 1321824345, 1409945968, 1762432460, 2114918952, 2643648690, 3524864920, 4229837904, 5287297380, 7049729840, 10574594760, 21149189520]

約数ペア:

[(1, 21149189520), (2, 10574594760), (3, 7049729840), (4, 5287297380), (5, 4229837904), (6, 3524864920), (8, 2643648690), (10, 2114918952), (12, 1762432460), (15, 1409945968), (16, 1321824345), (20, 1057459476), (24, 881216230), (30, 704972984), (31, 682231920), (40, 528729738), (48, 440608115), (60, 352486492), (62, 341115960), (80, 264364869), (93, 227410640), (120, 176243246), (124, 170557980), (155, 136446384), (186, 113705320), (240, 88121623), (248, 85278990), (310, 68223192), (372, 56852660), (373, 56700240), (465, 45482128), (496, 42639495), (620, 34111596), (744, 28426330), (746, 28350120), (930, 22741064), (1119, 18900080), (1240, 17055798), (1488, 14213165), (1492, 14175060), (1860, 11370532), (1865, 11340048), (2238, 9450040), (2480, 8527899), (2984, 7087530), (3720, 5685266), (3730, 5670024), (4476, 4725020), (5595, 3780016), (5968, 3543765), (7440, 2842633), (7460, 2835012), (7621, 2775120), (8952, 2362510), (11190, 1890008), (11563, 1829040), (14920, 1417506), (15242, 1387560), (17904, 1181255), (22380, 945004), (22863, 925040), (23126, 914520), (29840, 708753), (30484, 693780), (34689, 609680), (38105, 555024), (44760, 472502), (45726, 462520), (46252, 457260), (57815, 365808), (60968, 346890), (69378, 304840), (76210, 277512), (89520, 236251), (91452, 231260), (92504, 228630), (114315, 185008), (115630, 182904), (121936, 173445), (138756, 152420)]