21030834

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 49950720

約数和(自身を除く): 28919886

約数列:

[1, 2, 3, 6, 11, 19, 22, 31, 33, 38, 57, 62, 66, 93, 114, 186, 209, 341, 418, 541, 589, 627, 682, 1023, 1082, 1178, 1254, 1623, 1767, 2046, 3246, 3534, 5951, 6479, 10279, 11902, 12958, 16771, 17853, 19437, 20558, 30837, 33542, 35706, 38874, 50313, 61674, 100626, 113069, 184481, 226138, 318649, 339207, 368962, 553443, 637298, 678414, 955947, 1106886, 1911894, 3505139, 7010278, 10515417, 21030834]

約数ペア:

[(1, 21030834), (2, 10515417), (3, 7010278), (6, 3505139), (11, 1911894), (19, 1106886), (22, 955947), (31, 678414), (33, 637298), (38, 553443), (57, 368962), (62, 339207), (66, 318649), (93, 226138), (114, 184481), (186, 113069), (209, 100626), (341, 61674), (418, 50313), (541, 38874), (589, 35706), (627, 33542), (682, 30837), (1023, 20558), (1082, 19437), (1178, 17853), (1254, 16771), (1623, 12958), (1767, 11902), (2046, 10279), (3246, 6479), (3534, 5951)]