21780291288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{99497}}^1$

素因数の和:100816

約数の個数: 64

約数和(自身を含む): 62277788160

約数和(自身を除く): 40497496872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1303, 2606, 3909, 5212, 7818, 9121, 10424, 15636, 18242, 27363, 31272, 36484, 54726, 72968, 99497, 109452, 198994, 218904, 298491, 397988, 596982, 696479, 795976, 1193964, 1392958, 2089437, 2387928, 2785916, 4178874, 5571832, 8357748, 16715496, 129644591, 259289182, 388933773, 518578364, 777867546, 907512137, 1037156728, 1555735092, 1815024274, 2722536411, 3111470184, 3630048548, 5445072822, 7260097096, 10890145644, 21780291288]

約数ペア:

[(1, 21780291288), (2, 10890145644), (3, 7260097096), (4, 5445072822), (6, 3630048548), (7, 3111470184), (8, 2722536411), (12, 1815024274), (14, 1555735092), (21, 1037156728), (24, 907512137), (28, 777867546), (42, 518578364), (56, 388933773), (84, 259289182), (168, 129644591), (1303, 16715496), (2606, 8357748), (3909, 5571832), (5212, 4178874), (7818, 2785916), (9121, 2387928), (10424, 2089437), (15636, 1392958), (18242, 1193964), (27363, 795976), (31272, 696479), (36484, 596982), (54726, 397988), (72968, 298491), (99497, 218904), (109452, 198994)]