21509464576

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{58921}}^1$

素因数の和:58993

約数の個数: 80

約数和(自身を含む): 46292894208

約数和(自身を除く): 24783429632

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 713, 736, 992, 1426, 1472, 1984, 2852, 2944, 3968, 5704, 5888, 7936, 11408, 11776, 15872, 22816, 45632, 58921, 91264, 117842, 182528, 235684, 365056, 471368, 942736, 1355183, 1826551, 1885472, 2710366, 3653102, 3770944, 5420732, 7306204, 7541888, 10841464, 14612408, 15083776, 21682928, 29224816, 30167552, 42010673, 43365856, 58449632, 84021346, 86731712, 116899264, 168042692, 173463424, 233798528, 336085384, 346926848, 467597056, 672170768, 693853696, 935194112, 1344341536, 2688683072, 5377366144, 10754732288, 21509464576]

約数ペア:

[(1, 21509464576), (2, 10754732288), (4, 5377366144), (8, 2688683072), (16, 1344341536), (23, 935194112), (31, 693853696), (32, 672170768), (46, 467597056), (62, 346926848), (64, 336085384), (92, 233798528), (124, 173463424), (128, 168042692), (184, 116899264), (248, 86731712), (256, 84021346), (368, 58449632), (496, 43365856), (512, 42010673), (713, 30167552), (736, 29224816), (992, 21682928), (1426, 15083776), (1472, 14612408), (1984, 10841464), (2852, 7541888), (2944, 7306204), (3968, 5420732), (5704, 3770944), (5888, 3653102), (7936, 2710366), (11408, 1885472), (11776, 1826551), (15872, 1355183), (22816, 942736), (45632, 471368), (58921, 365056), (91264, 235684), (117842, 182528)]