21491184

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 67995648

約数和(自身を除く): 46504464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 101, 104, 124, 132, 143, 156, 176, 186, 202, 208, 248, 264, 286, 303, 312, 341, 372, 403, 404, 429, 496, 528, 572, 606, 624, 682, 744, 806, 808, 858, 1023, 1111, 1144, 1209, 1212, 1313, 1364, 1488, 1612, 1616, 1716, 2046, 2222, 2288, 2418, 2424, 2626, 2728, 3131, 3224, 3333, 3432, 3939, 4092, 4433, 4444, 4836, 4848, 5252, 5456, 6262, 6448, 6666, 6864, 7878, 8184, 8866, 8888, 9393, 9672, 10504, 12524, 13299, 13332, 14443, 15756, 16368, 17732, 17776, 18786, 19344, 21008, 25048, 26598, 26664, 28886, 31512, 34441, 35464, 37572, 40703, 43329, 50096, 53196, 53328, 57772, 63024, 68882, 70928, 75144, 81406, 86658, 103323, 106392, 115544, 122109, 137764, 150288, 162812, 173316, 206646, 212784, 231088, 244218, 275528, 325624, 346632, 413292, 447733, 488436, 551056, 651248, 693264, 826584, 895466, 976872, 1343199, 1653168, 1790932, 1953744, 2686398, 3581864, 5372796, 7163728, 10745592, 21491184]

約数ペア:

[(1, 21491184), (2, 10745592), (3, 7163728), (4, 5372796), (6, 3581864), (8, 2686398), (11, 1953744), (12, 1790932), (13, 1653168), (16, 1343199), (22, 976872), (24, 895466), (26, 826584), (31, 693264), (33, 651248), (39, 551056), (44, 488436), (48, 447733), (52, 413292), (62, 346632), (66, 325624), (78, 275528), (88, 244218), (93, 231088), (101, 212784), (104, 206646), (124, 173316), (132, 162812), (143, 150288), (156, 137764), (176, 122109), (186, 115544), (202, 106392), (208, 103323), (248, 86658), (264, 81406), (286, 75144), (303, 70928), (312, 68882), (341, 63024), (372, 57772), (403, 53328), (404, 53196), (429, 50096), (496, 43329), (528, 40703), (572, 37572), (606, 35464), (624, 34441), (682, 31512), (744, 28886), (806, 26664), (808, 26598), (858, 25048), (1023, 21008), (1111, 19344), (1144, 18786), (1209, 17776), (1212, 17732), (1313, 16368), (1364, 15756), (1488, 14443), (1612, 13332), (1616, 13299), (1716, 12524), (2046, 10504), (2222, 9672), (2288, 9393), (2418, 8888), (2424, 8866), (2626, 8184), (2728, 7878), (3131, 6864), (3224, 6666), (3333, 6448), (3432, 6262), (3939, 5456), (4092, 5252), (4433, 4848), (4444, 4836)]