21210384

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 80

約数和(自身を含む): 62148800

約数和(自身を除く): 40938416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1789, 1976, 2964, 3578, 3952, 5367, 5928, 7156, 10734, 11856, 14312, 21468, 23257, 28624, 33991, 42936, 46514, 67982, 69771, 85872, 93028, 101973, 135964, 139542, 186056, 203946, 271928, 279084, 372112, 407892, 441883, 543856, 558168, 815784, 883766, 1116336, 1325649, 1631568, 1767532, 2651298, 3535064, 5302596, 7070128, 10605192, 21210384]

約数ペア:

[(1, 21210384), (2, 10605192), (3, 7070128), (4, 5302596), (6, 3535064), (8, 2651298), (12, 1767532), (13, 1631568), (16, 1325649), (19, 1116336), (24, 883766), (26, 815784), (38, 558168), (39, 543856), (48, 441883), (52, 407892), (57, 372112), (76, 279084), (78, 271928), (104, 203946), (114, 186056), (152, 139542), (156, 135964), (208, 101973), (228, 93028), (247, 85872), (304, 69771), (312, 67982), (456, 46514), (494, 42936), (624, 33991), (741, 28624), (912, 23257), (988, 21468), (1482, 14312), (1789, 11856), (1976, 10734), (2964, 7156), (3578, 5928), (3952, 5367)]