21347712

素因数分解:

$2^7\times 3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 66646800

約数和(自身を除く): 45299088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 71, 72, 81, 87, 96, 108, 116, 128, 142, 144, 162, 174, 192, 213, 216, 232, 261, 284, 288, 324, 348, 384, 426, 432, 464, 522, 568, 576, 639, 648, 696, 783, 852, 864, 928, 1044, 1136, 1152, 1278, 1296, 1392, 1566, 1704, 1728, 1856, 1917, 2059, 2088, 2272, 2349, 2556, 2592, 2784, 3132, 3408, 3456, 3712, 3834, 4118, 4176, 4544, 4698, 5112, 5184, 5568, 5751, 6177, 6264, 6816, 7668, 8236, 8352, 9088, 9396, 10224, 10368, 11136, 11502, 12354, 12528, 13632, 15336, 16472, 16704, 18531, 18792, 20448, 23004, 24708, 25056, 27264, 30672, 32944, 33408, 37062, 37584, 40896, 46008, 49416, 50112, 55593, 61344, 65888, 74124, 75168, 81792, 92016, 98832, 100224, 111186, 122688, 131776, 148248, 150336, 166779, 184032, 197664, 222372, 245376, 263552, 296496, 300672, 333558, 368064, 395328, 444744, 592992, 667116, 736128, 790656, 889488, 1185984, 1334232, 1778976, 2371968, 2668464, 3557952, 5336928, 7115904, 10673856, 21347712]

約数ペア:

[(1, 21347712), (2, 10673856), (3, 7115904), (4, 5336928), (6, 3557952), (8, 2668464), (9, 2371968), (12, 1778976), (16, 1334232), (18, 1185984), (24, 889488), (27, 790656), (29, 736128), (32, 667116), (36, 592992), (48, 444744), (54, 395328), (58, 368064), (64, 333558), (71, 300672), (72, 296496), (81, 263552), (87, 245376), (96, 222372), (108, 197664), (116, 184032), (128, 166779), (142, 150336), (144, 148248), (162, 131776), (174, 122688), (192, 111186), (213, 100224), (216, 98832), (232, 92016), (261, 81792), (284, 75168), (288, 74124), (324, 65888), (348, 61344), (384, 55593), (426, 50112), (432, 49416), (464, 46008), (522, 40896), (568, 37584), (576, 37062), (639, 33408), (648, 32944), (696, 30672), (783, 27264), (852, 25056), (864, 24708), (928, 23004), (1044, 20448), (1136, 18792), (1152, 18531), (1278, 16704), (1296, 16472), (1392, 15336), (1566, 13632), (1704, 12528), (1728, 12354), (1856, 11502), (1917, 11136), (2059, 10368), (2088, 10224), (2272, 9396), (2349, 9088), (2556, 8352), (2592, 8236), (2784, 7668), (3132, 6816), (3408, 6264), (3456, 6177), (3712, 5751), (3834, 5568), (4118, 5184), (4176, 5112), (4544, 4698)]