21077712

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:617

約数の個数: 80

約数和(自身を含む): 61246080

約数和(自身を除く): 40168368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 503, 582, 776, 873, 1006, 1164, 1509, 1552, 1746, 2012, 2328, 2619, 3018, 3492, 4024, 4527, 4656, 5238, 6036, 6984, 8048, 9054, 10476, 12072, 13581, 13968, 18108, 20952, 24144, 27162, 36216, 41904, 48791, 54324, 72432, 97582, 108648, 146373, 195164, 217296, 292746, 390328, 439119, 585492, 780656, 878238, 1170984, 1317357, 1756476, 2341968, 2634714, 3512952, 5269428, 7025904, 10538856, 21077712]

約数ペア:

[(1, 21077712), (2, 10538856), (3, 7025904), (4, 5269428), (6, 3512952), (8, 2634714), (9, 2341968), (12, 1756476), (16, 1317357), (18, 1170984), (24, 878238), (27, 780656), (36, 585492), (48, 439119), (54, 390328), (72, 292746), (97, 217296), (108, 195164), (144, 146373), (194, 108648), (216, 97582), (291, 72432), (388, 54324), (432, 48791), (503, 41904), (582, 36216), (776, 27162), (873, 24144), (1006, 20952), (1164, 18108), (1509, 13968), (1552, 13581), (1746, 12072), (2012, 10476), (2328, 9054), (2619, 8048), (3018, 6984), (3492, 6036), (4024, 5238), (4527, 4656)]