21572217984

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{3947}}^1$

素因数の和:4338

約数の個数: 128

約数和(自身を含む): 58825831680

約数和(自身を除く): 37253613696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 331, 344, 384, 516, 662, 688, 993, 1032, 1324, 1376, 1986, 2064, 2648, 2752, 3947, 3972, 4128, 5296, 5504, 7894, 7944, 8256, 10592, 11841, 14233, 15788, 15888, 16512, 21184, 23682, 28466, 31576, 31776, 42368, 42699, 47364, 56932, 63152, 63552, 85398, 94728, 113864, 126304, 127104, 169721, 170796, 189456, 227728, 252608, 339442, 341592, 378912, 455456, 505216, 509163, 678884, 683184, 757824, 910912, 1018326, 1306457, 1357768, 1366368, 1515648, 1821824, 2036652, 2612914, 2715536, 2732736, 3919371, 4073304, 5225828, 5431072, 5465472, 7838742, 8146608, 10451656, 10862144, 15677484, 16293216, 20903312, 21724288, 31354968, 32586432, 41806624, 56177651, 62709936, 65172864, 83613248, 112355302, 125419872, 167226496, 168532953, 224710604, 250839744, 337065906, 449421208, 501679488, 674131812, 898842416, 1348263624, 1797684832, 2696527248, 3595369664, 5393054496, 7190739328, 10786108992, 21572217984]

約数ペア:

[(1, 21572217984), (2, 10786108992), (3, 7190739328), (4, 5393054496), (6, 3595369664), (8, 2696527248), (12, 1797684832), (16, 1348263624), (24, 898842416), (32, 674131812), (43, 501679488), (48, 449421208), (64, 337065906), (86, 250839744), (96, 224710604), (128, 168532953), (129, 167226496), (172, 125419872), (192, 112355302), (258, 83613248), (331, 65172864), (344, 62709936), (384, 56177651), (516, 41806624), (662, 32586432), (688, 31354968), (993, 21724288), (1032, 20903312), (1324, 16293216), (1376, 15677484), (1986, 10862144), (2064, 10451656), (2648, 8146608), (2752, 7838742), (3947, 5465472), (3972, 5431072), (4128, 5225828), (5296, 4073304), (5504, 3919371), (7894, 2732736), (7944, 2715536), (8256, 2612914), (10592, 2036652), (11841, 1821824), (14233, 1515648), (15788, 1366368), (15888, 1357768), (16512, 1306457), (21184, 1018326), (23682, 910912), (28466, 757824), (31576, 683184), (31776, 678884), (42368, 509163), (42699, 505216), (47364, 455456), (56932, 378912), (63152, 341592), (63552, 339442), (85398, 252608), (94728, 227728), (113864, 189456), (126304, 170796), (127104, 169721)]