21205291232

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1453}}^1$

素因数の和:1816

約数の個数: 96

約数和(自身を含む): 44320711680

約数和(自身を除く): 23115420448

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 251, 316, 368, 502, 632, 736, 1004, 1264, 1453, 1817, 2008, 2528, 2906, 3634, 4016, 5773, 5812, 7268, 8032, 11546, 11624, 14536, 19829, 23092, 23248, 29072, 33419, 39658, 46184, 46496, 58144, 66838, 79316, 92368, 114787, 133676, 158632, 184736, 229574, 267352, 317264, 364703, 456067, 459148, 534704, 634528, 729406, 912134, 918296, 1069408, 1458812, 1824268, 1836592, 2640101, 2917624, 3648536, 3673184, 5280202, 5835248, 7297072, 8388169, 10560404, 11670496, 14594144, 16776338, 21120808, 28811537, 33552676, 42241616, 57623074, 67105352, 84483232, 115246148, 134210704, 230492296, 268421408, 460984592, 662665351, 921969184, 1325330702, 2650661404, 5301322808, 10602645616, 21205291232]

約数ペア:

[(1, 21205291232), (2, 10602645616), (4, 5301322808), (8, 2650661404), (16, 1325330702), (23, 921969184), (32, 662665351), (46, 460984592), (79, 268421408), (92, 230492296), (158, 134210704), (184, 115246148), (251, 84483232), (316, 67105352), (368, 57623074), (502, 42241616), (632, 33552676), (736, 28811537), (1004, 21120808), (1264, 16776338), (1453, 14594144), (1817, 11670496), (2008, 10560404), (2528, 8388169), (2906, 7297072), (3634, 5835248), (4016, 5280202), (5773, 3673184), (5812, 3648536), (7268, 2917624), (8032, 2640101), (11546, 1836592), (11624, 1824268), (14536, 1458812), (19829, 1069408), (23092, 918296), (23248, 912134), (29072, 729406), (33419, 634528), (39658, 534704), (46184, 459148), (46496, 456067), (58144, 364703), (66838, 317264), (79316, 267352), (92368, 229574), (114787, 184736), (133676, 158632)]