21868560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4339}}^1$

素因数の和:4365

約数の個数: 120

約数和(自身を含む): 83952960

約数和(自身を除く): 62084400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4339, 5040, 8678, 13017, 17356, 21695, 26034, 30373, 34712, 39051, 43390, 52068, 60746, 65085, 69424, 78102, 86780, 91119, 104136, 121492, 130170, 151865, 156204, 173560, 182238, 195255, 208272, 242984, 260340, 273357, 303730, 312408, 347120, 364476, 390510, 455595, 485968, 520680, 546714, 607460, 624816, 728952, 781020, 911190, 1041360, 1093428, 1214920, 1366785, 1457904, 1562040, 1822380, 2186856, 2429840, 2733570, 3124080, 3644760, 4373712, 5467140, 7289520, 10934280, 21868560]

約数ペア:

[(1, 21868560), (2, 10934280), (3, 7289520), (4, 5467140), (5, 4373712), (6, 3644760), (7, 3124080), (8, 2733570), (9, 2429840), (10, 2186856), (12, 1822380), (14, 1562040), (15, 1457904), (16, 1366785), (18, 1214920), (20, 1093428), (21, 1041360), (24, 911190), (28, 781020), (30, 728952), (35, 624816), (36, 607460), (40, 546714), (42, 520680), (45, 485968), (48, 455595), (56, 390510), (60, 364476), (63, 347120), (70, 312408), (72, 303730), (80, 273357), (84, 260340), (90, 242984), (105, 208272), (112, 195255), (120, 182238), (126, 173560), (140, 156204), (144, 151865), (168, 130170), (180, 121492), (210, 104136), (240, 91119), (252, 86780), (280, 78102), (315, 69424), (336, 65085), (360, 60746), (420, 52068), (504, 43390), (560, 39051), (630, 34712), (720, 30373), (840, 26034), (1008, 21695), (1260, 17356), (1680, 13017), (2520, 8678), (4339, 5040)]