21985992

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 72832320

約数和(自身を除く): 50846328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 81, 84, 108, 111, 126, 131, 148, 162, 168, 189, 216, 222, 252, 259, 262, 296, 324, 333, 378, 393, 444, 504, 518, 524, 567, 648, 666, 756, 777, 786, 888, 917, 999, 1036, 1048, 1134, 1179, 1332, 1512, 1554, 1572, 1834, 1998, 2072, 2268, 2331, 2358, 2664, 2751, 2997, 3108, 3144, 3537, 3668, 3996, 4536, 4662, 4716, 4847, 5502, 5994, 6216, 6993, 7074, 7336, 7992, 8253, 9324, 9432, 9694, 10611, 11004, 11988, 13986, 14148, 14541, 16506, 18648, 19388, 20979, 21222, 22008, 23976, 24759, 27972, 28296, 29082, 33012, 33929, 38776, 41958, 42444, 43623, 49518, 55944, 58164, 66024, 67858, 74277, 83916, 84888, 87246, 99036, 101787, 116328, 130869, 135716, 148554, 167832, 174492, 198072, 203574, 261738, 271432, 297108, 305361, 348984, 392607, 407148, 523476, 594216, 610722, 785214, 814296, 916083, 1046952, 1221444, 1570428, 1832166, 2442888, 2748249, 3140856, 3664332, 5496498, 7328664, 10992996, 21985992]

約数ペア:

[(1, 21985992), (2, 10992996), (3, 7328664), (4, 5496498), (6, 3664332), (7, 3140856), (8, 2748249), (9, 2442888), (12, 1832166), (14, 1570428), (18, 1221444), (21, 1046952), (24, 916083), (27, 814296), (28, 785214), (36, 610722), (37, 594216), (42, 523476), (54, 407148), (56, 392607), (63, 348984), (72, 305361), (74, 297108), (81, 271432), (84, 261738), (108, 203574), (111, 198072), (126, 174492), (131, 167832), (148, 148554), (162, 135716), (168, 130869), (189, 116328), (216, 101787), (222, 99036), (252, 87246), (259, 84888), (262, 83916), (296, 74277), (324, 67858), (333, 66024), (378, 58164), (393, 55944), (444, 49518), (504, 43623), (518, 42444), (524, 41958), (567, 38776), (648, 33929), (666, 33012), (756, 29082), (777, 28296), (786, 27972), (888, 24759), (917, 23976), (999, 22008), (1036, 21222), (1048, 20979), (1134, 19388), (1179, 18648), (1332, 16506), (1512, 14541), (1554, 14148), (1572, 13986), (1834, 11988), (1998, 11004), (2072, 10611), (2268, 9694), (2331, 9432), (2358, 9324), (2664, 8253), (2751, 7992), (2997, 7336), (3108, 7074), (3144, 6993), (3537, 6216), (3668, 5994), (3996, 5502), (4536, 4847), (4662, 4716)]