21000902502

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1126

約数の個数: 128

約数和(自身を含む): 47811202560

約数和(自身を除く): 26810300058

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 67, 102, 114, 134, 197, 201, 323, 394, 402, 591, 646, 821, 969, 1139, 1182, 1273, 1642, 1938, 2278, 2463, 2546, 3349, 3417, 3743, 3819, 4926, 6698, 6834, 7486, 7638, 10047, 11229, 13199, 13957, 15599, 20094, 21641, 22458, 26398, 27914, 31198, 39597, 41871, 43282, 46797, 55007, 63631, 64923, 79194, 83742, 93594, 110014, 127262, 129846, 161737, 165021, 190893, 224383, 250781, 265183, 323474, 330042, 381786, 448766, 485211, 501562, 530366, 673149, 752343, 795549, 935119, 970422, 1045133, 1346298, 1504686, 1591098, 1870238, 2090266, 2749529, 2805357, 3073003, 3135399, 4263277, 5499058, 5610714, 6146006, 6270798, 8248587, 8526554, 9219009, 10836379, 12789831, 16497174, 17767261, 18438018, 21672758, 25579662, 32509137, 35534522, 52241051, 53301783, 65018274, 104482102, 106603566, 156723153, 184218443, 205891201, 313446306, 368436886, 411782402, 552655329, 617673603, 1105310658, 1235347206, 3500150417, 7000300834, 10500451251, 21000902502]

約数ペア:

[(1, 21000902502), (2, 10500451251), (3, 7000300834), (6, 3500150417), (17, 1235347206), (19, 1105310658), (34, 617673603), (38, 552655329), (51, 411782402), (57, 368436886), (67, 313446306), (102, 205891201), (114, 184218443), (134, 156723153), (197, 106603566), (201, 104482102), (323, 65018274), (394, 53301783), (402, 52241051), (591, 35534522), (646, 32509137), (821, 25579662), (969, 21672758), (1139, 18438018), (1182, 17767261), (1273, 16497174), (1642, 12789831), (1938, 10836379), (2278, 9219009), (2463, 8526554), (2546, 8248587), (3349, 6270798), (3417, 6146006), (3743, 5610714), (3819, 5499058), (4926, 4263277), (6698, 3135399), (6834, 3073003), (7486, 2805357), (7638, 2749529), (10047, 2090266), (11229, 1870238), (13199, 1591098), (13957, 1504686), (15599, 1346298), (20094, 1045133), (21641, 970422), (22458, 935119), (26398, 795549), (27914, 752343), (31198, 673149), (39597, 530366), (41871, 501562), (43282, 485211), (46797, 448766), (55007, 381786), (63631, 330042), (64923, 323474), (79194, 265183), (83742, 250781), (93594, 224383), (110014, 190893), (127262, 165021), (129846, 161737)]