21759432

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 34486968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 89, 122, 167, 178, 183, 244, 267, 334, 356, 366, 488, 501, 534, 668, 712, 732, 1002, 1068, 1336, 1464, 2004, 2136, 4008, 5429, 10187, 10858, 14863, 16287, 20374, 21716, 29726, 30561, 32574, 40748, 43432, 44589, 59452, 61122, 65148, 81496, 89178, 118904, 122244, 130296, 178356, 244488, 356712, 906643, 1813286, 2719929, 3626572, 5439858, 7253144, 10879716, 21759432]

約数ペア:

[(1, 21759432), (2, 10879716), (3, 7253144), (4, 5439858), (6, 3626572), (8, 2719929), (12, 1813286), (24, 906643), (61, 356712), (89, 244488), (122, 178356), (167, 130296), (178, 122244), (183, 118904), (244, 89178), (267, 81496), (334, 65148), (356, 61122), (366, 59452), (488, 44589), (501, 43432), (534, 40748), (668, 32574), (712, 30561), (732, 29726), (1002, 21716), (1068, 20374), (1336, 16287), (1464, 14863), (2004, 10858), (2136, 10187), (4008, 5429)]