21384120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 47563080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 113, 114, 120, 152, 166, 190, 226, 228, 249, 285, 332, 339, 380, 415, 452, 456, 498, 565, 570, 664, 678, 760, 830, 904, 996, 1130, 1140, 1245, 1356, 1577, 1660, 1695, 1992, 2147, 2260, 2280, 2490, 2712, 3154, 3320, 3390, 4294, 4520, 4731, 4980, 6308, 6441, 6780, 7885, 8588, 9379, 9462, 9960, 10735, 12616, 12882, 13560, 15770, 17176, 18758, 18924, 21470, 23655, 25764, 28137, 31540, 32205, 37516, 37848, 42940, 46895, 47310, 51528, 56274, 63080, 64410, 75032, 85880, 93790, 94620, 112548, 128820, 140685, 178201, 187580, 189240, 225096, 257640, 281370, 356402, 375160, 534603, 562740, 712804, 891005, 1069206, 1125480, 1425608, 1782010, 2138412, 2673015, 3564020, 4276824, 5346030, 7128040, 10692060, 21384120]

約数ペア:

[(1, 21384120), (2, 10692060), (3, 7128040), (4, 5346030), (5, 4276824), (6, 3564020), (8, 2673015), (10, 2138412), (12, 1782010), (15, 1425608), (19, 1125480), (20, 1069206), (24, 891005), (30, 712804), (38, 562740), (40, 534603), (57, 375160), (60, 356402), (76, 281370), (83, 257640), (95, 225096), (113, 189240), (114, 187580), (120, 178201), (152, 140685), (166, 128820), (190, 112548), (226, 94620), (228, 93790), (249, 85880), (285, 75032), (332, 64410), (339, 63080), (380, 56274), (415, 51528), (452, 47310), (456, 46895), (498, 42940), (565, 37848), (570, 37516), (664, 32205), (678, 31540), (760, 28137), (830, 25764), (904, 23655), (996, 21470), (1130, 18924), (1140, 18758), (1245, 17176), (1356, 15770), (1577, 13560), (1660, 12882), (1695, 12616), (1992, 10735), (2147, 9960), (2260, 9462), (2280, 9379), (2490, 8588), (2712, 7885), (3154, 6780), (3320, 6441), (3390, 6308), (4294, 4980), (4520, 4731)]