21592830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 62068896

約数和(自身を除く): 40476066

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 49, 70, 74, 98, 105, 111, 147, 185, 210, 222, 245, 259, 294, 370, 397, 490, 518, 555, 735, 777, 794, 1110, 1191, 1295, 1470, 1554, 1813, 1985, 2382, 2590, 2779, 3626, 3885, 3970, 5439, 5558, 5955, 7770, 8337, 9065, 10878, 11910, 13895, 14689, 16674, 18130, 19453, 27195, 27790, 29378, 38906, 41685, 44067, 54390, 58359, 73445, 83370, 88134, 97265, 102823, 116718, 146890, 194530, 205646, 220335, 291795, 308469, 440670, 514115, 583590, 616938, 719761, 1028230, 1439522, 1542345, 2159283, 3084690, 3598805, 4318566, 7197610, 10796415, 21592830]

約数ペア:

[(1, 21592830), (2, 10796415), (3, 7197610), (5, 4318566), (6, 3598805), (7, 3084690), (10, 2159283), (14, 1542345), (15, 1439522), (21, 1028230), (30, 719761), (35, 616938), (37, 583590), (42, 514115), (49, 440670), (70, 308469), (74, 291795), (98, 220335), (105, 205646), (111, 194530), (147, 146890), (185, 116718), (210, 102823), (222, 97265), (245, 88134), (259, 83370), (294, 73445), (370, 58359), (397, 54390), (490, 44067), (518, 41685), (555, 38906), (735, 29378), (777, 27790), (794, 27195), (1110, 19453), (1191, 18130), (1295, 16674), (1470, 14689), (1554, 13895), (1813, 11910), (1985, 10878), (2382, 9065), (2590, 8337), (2779, 7770), (3626, 5955), (3885, 5558), (3970, 5439)]