21357864

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 44738136

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 89, 99, 101, 108, 132, 178, 198, 202, 216, 264, 267, 297, 303, 356, 396, 404, 534, 594, 606, 712, 792, 801, 808, 909, 979, 1068, 1111, 1188, 1212, 1602, 1818, 1958, 2136, 2222, 2376, 2403, 2424, 2727, 2937, 3204, 3333, 3636, 3916, 4444, 4806, 5454, 5874, 6408, 6666, 7272, 7832, 8811, 8888, 8989, 9612, 9999, 10908, 11748, 13332, 17622, 17978, 19224, 19998, 21816, 23496, 26433, 26664, 26967, 29997, 35244, 35956, 39996, 52866, 53934, 59994, 70488, 71912, 79992, 80901, 98879, 105732, 107868, 119988, 161802, 197758, 211464, 215736, 239976, 242703, 296637, 323604, 395516, 485406, 593274, 647208, 791032, 889911, 970812, 1186548, 1779822, 1941624, 2373096, 2669733, 3559644, 5339466, 7119288, 10678932, 21357864]

約数ペア:

[(1, 21357864), (2, 10678932), (3, 7119288), (4, 5339466), (6, 3559644), (8, 2669733), (9, 2373096), (11, 1941624), (12, 1779822), (18, 1186548), (22, 970812), (24, 889911), (27, 791032), (33, 647208), (36, 593274), (44, 485406), (54, 395516), (66, 323604), (72, 296637), (88, 242703), (89, 239976), (99, 215736), (101, 211464), (108, 197758), (132, 161802), (178, 119988), (198, 107868), (202, 105732), (216, 98879), (264, 80901), (267, 79992), (297, 71912), (303, 70488), (356, 59994), (396, 53934), (404, 52866), (534, 39996), (594, 35956), (606, 35244), (712, 29997), (792, 26967), (801, 26664), (808, 26433), (909, 23496), (979, 21816), (1068, 19998), (1111, 19224), (1188, 17978), (1212, 17622), (1602, 13332), (1818, 11748), (1958, 10908), (2136, 9999), (2222, 9612), (2376, 8989), (2403, 8888), (2424, 8811), (2727, 7832), (2937, 7272), (3204, 6666), (3333, 6408), (3636, 5874), (3916, 5454), (4444, 4806)]