21212016288

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{82787}}^1$

素因数の和:82974

約数の個数: 96

約数和(自身を含む): 59333166144

約数和(自身を除く): 38121149856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 157, 204, 272, 314, 408, 471, 544, 628, 816, 942, 1256, 1632, 1884, 2512, 2669, 3768, 5024, 5338, 7536, 8007, 10676, 15072, 16014, 21352, 32028, 42704, 64056, 82787, 85408, 128112, 165574, 248361, 256224, 331148, 496722, 662296, 993444, 1324592, 1407379, 1986888, 2649184, 2814758, 3973776, 4222137, 5629516, 7947552, 8444274, 11259032, 12997559, 16888548, 22518064, 25995118, 33777096, 38992677, 45036128, 51990236, 67554192, 77985354, 103980472, 135108384, 155970708, 207960944, 220958503, 311941416, 415921888, 441917006, 623882832, 662875509, 883834012, 1247765664, 1325751018, 1767668024, 2651502036, 3535336048, 5303004072, 7070672096, 10606008144, 21212016288]

約数ペア:

[(1, 21212016288), (2, 10606008144), (3, 7070672096), (4, 5303004072), (6, 3535336048), (8, 2651502036), (12, 1767668024), (16, 1325751018), (17, 1247765664), (24, 883834012), (32, 662875509), (34, 623882832), (48, 441917006), (51, 415921888), (68, 311941416), (96, 220958503), (102, 207960944), (136, 155970708), (157, 135108384), (204, 103980472), (272, 77985354), (314, 67554192), (408, 51990236), (471, 45036128), (544, 38992677), (628, 33777096), (816, 25995118), (942, 22518064), (1256, 16888548), (1632, 12997559), (1884, 11259032), (2512, 8444274), (2669, 7947552), (3768, 5629516), (5024, 4222137), (5338, 3973776), (7536, 2814758), (8007, 2649184), (10676, 1986888), (15072, 1407379), (16014, 1324592), (21352, 993444), (32028, 662296), (42704, 496722), (64056, 331148), (82787, 256224), (85408, 248361), (128112, 165574)]