21690288

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 46162512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 37, 46, 48, 54, 59, 69, 72, 74, 92, 108, 111, 118, 138, 144, 148, 177, 184, 207, 216, 222, 236, 276, 296, 333, 354, 368, 414, 432, 444, 472, 531, 552, 592, 621, 666, 708, 828, 851, 888, 944, 999, 1062, 1104, 1242, 1332, 1357, 1416, 1593, 1656, 1702, 1776, 1998, 2124, 2183, 2484, 2553, 2664, 2714, 2832, 3186, 3312, 3404, 3996, 4071, 4248, 4366, 4968, 5106, 5328, 5428, 6372, 6549, 6808, 7659, 7992, 8142, 8496, 8732, 9936, 10212, 10856, 12213, 12744, 13098, 13616, 15318, 15984, 16284, 17464, 19647, 20424, 21712, 22977, 24426, 25488, 26196, 30636, 32568, 34928, 36639, 39294, 40848, 45954, 48852, 50209, 52392, 58941, 61272, 65136, 73278, 78588, 91908, 97704, 100418, 104784, 117882, 122544, 146556, 150627, 157176, 183816, 195408, 200836, 235764, 293112, 301254, 314352, 367632, 401672, 451881, 471528, 586224, 602508, 803344, 903762, 943056, 1205016, 1355643, 1807524, 2410032, 2711286, 3615048, 5422572, 7230096, 10845144, 21690288]

約数ペア:

[(1, 21690288), (2, 10845144), (3, 7230096), (4, 5422572), (6, 3615048), (8, 2711286), (9, 2410032), (12, 1807524), (16, 1355643), (18, 1205016), (23, 943056), (24, 903762), (27, 803344), (36, 602508), (37, 586224), (46, 471528), (48, 451881), (54, 401672), (59, 367632), (69, 314352), (72, 301254), (74, 293112), (92, 235764), (108, 200836), (111, 195408), (118, 183816), (138, 157176), (144, 150627), (148, 146556), (177, 122544), (184, 117882), (207, 104784), (216, 100418), (222, 97704), (236, 91908), (276, 78588), (296, 73278), (333, 65136), (354, 61272), (368, 58941), (414, 52392), (432, 50209), (444, 48852), (472, 45954), (531, 40848), (552, 39294), (592, 36639), (621, 34928), (666, 32568), (708, 30636), (828, 26196), (851, 25488), (888, 24426), (944, 22977), (999, 21712), (1062, 20424), (1104, 19647), (1242, 17464), (1332, 16284), (1357, 15984), (1416, 15318), (1593, 13616), (1656, 13098), (1702, 12744), (1776, 12213), (1998, 10856), (2124, 10212), (2183, 9936), (2484, 8732), (2553, 8496), (2664, 8142), (2714, 7992), (2832, 7659), (3186, 6808), (3312, 6549), (3404, 6372), (3996, 5428), (4071, 5328), (4248, 5106), (4366, 4968)]