21699288

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 42510312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 97, 104, 117, 156, 194, 234, 239, 291, 312, 388, 468, 478, 582, 717, 776, 873, 936, 956, 1164, 1261, 1434, 1746, 1912, 2151, 2328, 2522, 2868, 3107, 3492, 3783, 4302, 5044, 5736, 6214, 6984, 7566, 8604, 9321, 10088, 11349, 12428, 15132, 17208, 18642, 22698, 23183, 24856, 27963, 30264, 37284, 45396, 46366, 55926, 69549, 74568, 90792, 92732, 111852, 139098, 185464, 208647, 223704, 278196, 301379, 417294, 556392, 602758, 834588, 904137, 1205516, 1669176, 1808274, 2411032, 2712411, 3616548, 5424822, 7233096, 10849644, 21699288]

約数ペア:

[(1, 21699288), (2, 10849644), (3, 7233096), (4, 5424822), (6, 3616548), (8, 2712411), (9, 2411032), (12, 1808274), (13, 1669176), (18, 1205516), (24, 904137), (26, 834588), (36, 602758), (39, 556392), (52, 417294), (72, 301379), (78, 278196), (97, 223704), (104, 208647), (117, 185464), (156, 139098), (194, 111852), (234, 92732), (239, 90792), (291, 74568), (312, 69549), (388, 55926), (468, 46366), (478, 45396), (582, 37284), (717, 30264), (776, 27963), (873, 24856), (936, 23183), (956, 22698), (1164, 18642), (1261, 17208), (1434, 15132), (1746, 12428), (1912, 11349), (2151, 10088), (2328, 9321), (2522, 8604), (2868, 7566), (3107, 6984), (3492, 6214), (3783, 5736), (4302, 5044)]