21116676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39202044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 101, 114, 131, 133, 202, 228, 262, 266, 303, 393, 399, 404, 524, 532, 606, 707, 786, 798, 917, 1212, 1414, 1572, 1596, 1834, 1919, 2121, 2489, 2751, 2828, 3668, 3838, 4242, 4978, 5502, 5757, 7467, 7676, 8484, 9956, 11004, 11514, 13231, 13433, 14934, 17423, 23028, 26462, 26866, 29868, 34846, 39693, 40299, 52269, 52924, 53732, 69692, 79386, 80598, 92617, 104538, 158772, 161196, 185234, 209076, 251389, 277851, 370468, 502778, 555702, 754167, 1005556, 1111404, 1508334, 1759723, 3016668, 3519446, 5279169, 7038892, 10558338, 21116676]

約数ペア:

[(1, 21116676), (2, 10558338), (3, 7038892), (4, 5279169), (6, 3519446), (7, 3016668), (12, 1759723), (14, 1508334), (19, 1111404), (21, 1005556), (28, 754167), (38, 555702), (42, 502778), (57, 370468), (76, 277851), (84, 251389), (101, 209076), (114, 185234), (131, 161196), (133, 158772), (202, 104538), (228, 92617), (262, 80598), (266, 79386), (303, 69692), (393, 53732), (399, 52924), (404, 52269), (524, 40299), (532, 39693), (606, 34846), (707, 29868), (786, 26866), (798, 26462), (917, 23028), (1212, 17423), (1414, 14934), (1572, 13433), (1596, 13231), (1834, 11514), (1919, 11004), (2121, 9956), (2489, 8484), (2751, 7676), (2828, 7467), (3668, 5757), (3838, 5502), (4242, 4978)]