21436128

素因数分解:

$2^5\times 3^2\times 7^4\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 180

約数和(自身を含む): 73408608

約数和(自身を除く): 51972480

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 224, 248, 252, 279, 288, 294, 336, 343, 372, 392, 434, 441, 496, 504, 558, 588, 651, 672, 686, 744, 784, 868, 882, 992, 1008, 1029, 1116, 1176, 1302, 1372, 1488, 1519, 1568, 1736, 1764, 1953, 2016, 2058, 2232, 2352, 2401, 2604, 2744, 2976, 3038, 3087, 3472, 3528, 3906, 4116, 4464, 4557, 4704, 4802, 5208, 5488, 6076, 6174, 6944, 7056, 7203, 7812, 8232, 8928, 9114, 9604, 10416, 10633, 10976, 12152, 12348, 13671, 14112, 14406, 15624, 16464, 18228, 19208, 20832, 21266, 21609, 24304, 24696, 27342, 28812, 31248, 31899, 32928, 36456, 38416, 42532, 43218, 48608, 49392, 54684, 57624, 62496, 63798, 72912, 74431, 76832, 85064, 86436, 95697, 98784, 109368, 115248, 127596, 145824, 148862, 170128, 172872, 191394, 218736, 223293, 230496, 255192, 297724, 340256, 345744, 382788, 437472, 446586, 510384, 595448, 669879, 691488, 765576, 893172, 1020768, 1190896, 1339758, 1531152, 1786344, 2381792, 2679516, 3062304, 3572688, 5359032, 7145376, 10718064, 21436128]

約数ペア:

[(1, 21436128), (2, 10718064), (3, 7145376), (4, 5359032), (6, 3572688), (7, 3062304), (8, 2679516), (9, 2381792), (12, 1786344), (14, 1531152), (16, 1339758), (18, 1190896), (21, 1020768), (24, 893172), (28, 765576), (31, 691488), (32, 669879), (36, 595448), (42, 510384), (48, 446586), (49, 437472), (56, 382788), (62, 345744), (63, 340256), (72, 297724), (84, 255192), (93, 230496), (96, 223293), (98, 218736), (112, 191394), (124, 172872), (126, 170128), (144, 148862), (147, 145824), (168, 127596), (186, 115248), (196, 109368), (217, 98784), (224, 95697), (248, 86436), (252, 85064), (279, 76832), (288, 74431), (294, 72912), (336, 63798), (343, 62496), (372, 57624), (392, 54684), (434, 49392), (441, 48608), (496, 43218), (504, 42532), (558, 38416), (588, 36456), (651, 32928), (672, 31899), (686, 31248), (744, 28812), (784, 27342), (868, 24696), (882, 24304), (992, 21609), (1008, 21266), (1029, 20832), (1116, 19208), (1176, 18228), (1302, 16464), (1372, 15624), (1488, 14406), (1519, 14112), (1568, 13671), (1736, 12348), (1764, 12152), (1953, 10976), (2016, 10633), (2058, 10416), (2232, 9604), (2352, 9114), (2401, 8928), (2604, 8232), (2744, 7812), (2976, 7203), (3038, 7056), (3087, 6944), (3472, 6174), (3528, 6076), (3906, 5488), (4116, 5208), (4464, 4802), (4557, 4704)]