21415392

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 44392896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 53, 61, 69, 72, 92, 96, 106, 122, 138, 144, 159, 183, 184, 207, 212, 244, 276, 288, 318, 366, 368, 414, 424, 477, 488, 549, 552, 636, 732, 736, 828, 848, 954, 976, 1098, 1104, 1219, 1272, 1403, 1464, 1656, 1696, 1908, 1952, 2196, 2208, 2438, 2544, 2806, 2928, 3233, 3312, 3657, 3816, 4209, 4392, 4876, 5088, 5612, 5856, 6466, 6624, 7314, 7632, 8418, 8784, 9699, 9752, 10971, 11224, 12627, 12932, 14628, 15264, 16836, 17568, 19398, 19504, 21942, 22448, 25254, 25864, 29097, 29256, 33672, 38796, 39008, 43884, 44896, 50508, 51728, 58194, 58512, 67344, 74359, 77592, 87768, 101016, 103456, 116388, 117024, 134688, 148718, 155184, 175536, 202032, 223077, 232776, 297436, 310368, 351072, 404064, 446154, 465552, 594872, 669231, 892308, 931104, 1189744, 1338462, 1784616, 2379488, 2676924, 3569232, 5353848, 7138464, 10707696, 21415392]

約数ペア:

[(1, 21415392), (2, 10707696), (3, 7138464), (4, 5353848), (6, 3569232), (8, 2676924), (9, 2379488), (12, 1784616), (16, 1338462), (18, 1189744), (23, 931104), (24, 892308), (32, 669231), (36, 594872), (46, 465552), (48, 446154), (53, 404064), (61, 351072), (69, 310368), (72, 297436), (92, 232776), (96, 223077), (106, 202032), (122, 175536), (138, 155184), (144, 148718), (159, 134688), (183, 117024), (184, 116388), (207, 103456), (212, 101016), (244, 87768), (276, 77592), (288, 74359), (318, 67344), (366, 58512), (368, 58194), (414, 51728), (424, 50508), (477, 44896), (488, 43884), (549, 39008), (552, 38796), (636, 33672), (732, 29256), (736, 29097), (828, 25864), (848, 25254), (954, 22448), (976, 21942), (1098, 19504), (1104, 19398), (1219, 17568), (1272, 16836), (1403, 15264), (1464, 14628), (1656, 12932), (1696, 12627), (1908, 11224), (1952, 10971), (2196, 9752), (2208, 9699), (2438, 8784), (2544, 8418), (2806, 7632), (2928, 7314), (3233, 6624), (3312, 6466), (3657, 5856), (3816, 5612), (4209, 5088), (4392, 4876)]