42213990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 129678192

約数和(自身を除く): 87464202

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 47, 49, 65, 70, 78, 91, 94, 98, 105, 130, 141, 147, 182, 195, 210, 235, 245, 273, 282, 294, 329, 390, 455, 470, 490, 546, 611, 637, 658, 705, 735, 910, 987, 1222, 1274, 1365, 1410, 1470, 1645, 1833, 1911, 1974, 2209, 2303, 2730, 3055, 3185, 3290, 3666, 3822, 4277, 4418, 4606, 4935, 6110, 6370, 6627, 6909, 8554, 9165, 9555, 9870, 11045, 11515, 12831, 13254, 13818, 15463, 18330, 19110, 21385, 22090, 23030, 25662, 28717, 29939, 30926, 33135, 34545, 42770, 46389, 57434, 59878, 64155, 66270, 69090, 77315, 86151, 89817, 92778, 108241, 128310, 143585, 149695, 154630, 172302, 179634, 201019, 216482, 231945, 287170, 299390, 324723, 402038, 430755, 449085, 463890, 541205, 603057, 649446, 861510, 898170, 1005095, 1082410, 1206114, 1407133, 1623615, 2010190, 2814266, 3015285, 3247230, 4221399, 6030570, 7035665, 8442798, 14071330, 21106995, 42213990]

約数ペア:

[(1, 42213990), (2, 21106995), (3, 14071330), (5, 8442798), (6, 7035665), (7, 6030570), (10, 4221399), (13, 3247230), (14, 3015285), (15, 2814266), (21, 2010190), (26, 1623615), (30, 1407133), (35, 1206114), (39, 1082410), (42, 1005095), (47, 898170), (49, 861510), (65, 649446), (70, 603057), (78, 541205), (91, 463890), (94, 449085), (98, 430755), (105, 402038), (130, 324723), (141, 299390), (147, 287170), (182, 231945), (195, 216482), (210, 201019), (235, 179634), (245, 172302), (273, 154630), (282, 149695), (294, 143585), (329, 128310), (390, 108241), (455, 92778), (470, 89817), (490, 86151), (546, 77315), (611, 69090), (637, 66270), (658, 64155), (705, 59878), (735, 57434), (910, 46389), (987, 42770), (1222, 34545), (1274, 33135), (1365, 30926), (1410, 29939), (1470, 28717), (1645, 25662), (1833, 23030), (1911, 22090), (1974, 21385), (2209, 19110), (2303, 18330), (2730, 15463), (3055, 13818), (3185, 13254), (3290, 12831), (3666, 11515), (3822, 11045), (4277, 9870), (4418, 9555), (4606, 9165), (4935, 8554), (6110, 6909), (6370, 6627)]