21302952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 42287448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 31, 33, 38, 44, 57, 62, 66, 76, 88, 93, 114, 124, 132, 137, 152, 186, 209, 228, 248, 264, 274, 341, 372, 411, 418, 456, 548, 589, 627, 682, 744, 822, 836, 1023, 1096, 1178, 1254, 1364, 1507, 1644, 1672, 1767, 2046, 2356, 2508, 2603, 2728, 3014, 3288, 3534, 4092, 4247, 4521, 4712, 5016, 5206, 6028, 6479, 7068, 7809, 8184, 8494, 9042, 10412, 12056, 12741, 12958, 14136, 15618, 16988, 18084, 19437, 20824, 25482, 25916, 28633, 31236, 33976, 36168, 38874, 46717, 50964, 51832, 57266, 62472, 77748, 80693, 85899, 93434, 101928, 114532, 140151, 155496, 161386, 171798, 186868, 229064, 242079, 280302, 322772, 343596, 373736, 484158, 560604, 645544, 687192, 887623, 968316, 1121208, 1775246, 1936632, 2662869, 3550492, 5325738, 7100984, 10651476, 21302952]

約数ペア:

[(1, 21302952), (2, 10651476), (3, 7100984), (4, 5325738), (6, 3550492), (8, 2662869), (11, 1936632), (12, 1775246), (19, 1121208), (22, 968316), (24, 887623), (31, 687192), (33, 645544), (38, 560604), (44, 484158), (57, 373736), (62, 343596), (66, 322772), (76, 280302), (88, 242079), (93, 229064), (114, 186868), (124, 171798), (132, 161386), (137, 155496), (152, 140151), (186, 114532), (209, 101928), (228, 93434), (248, 85899), (264, 80693), (274, 77748), (341, 62472), (372, 57266), (411, 51832), (418, 50964), (456, 46717), (548, 38874), (589, 36168), (627, 33976), (682, 31236), (744, 28633), (822, 25916), (836, 25482), (1023, 20824), (1096, 19437), (1178, 18084), (1254, 16988), (1364, 15618), (1507, 14136), (1644, 12958), (1672, 12741), (1767, 12056), (2046, 10412), (2356, 9042), (2508, 8494), (2603, 8184), (2728, 7809), (3014, 7068), (3288, 6479), (3534, 6028), (4092, 5206), (4247, 5016), (4521, 4712)]