21264078

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 50503680

約数和(自身を除く): 29239602

約数列:

[1, 2, 3, 6, 11, 19, 22, 31, 33, 38, 57, 62, 66, 93, 114, 186, 209, 341, 418, 547, 589, 627, 682, 1023, 1094, 1178, 1254, 1641, 1767, 2046, 3282, 3534, 6017, 6479, 10393, 12034, 12958, 16957, 18051, 19437, 20786, 31179, 33914, 36102, 38874, 50871, 62358, 101742, 114323, 186527, 228646, 322183, 342969, 373054, 559581, 644366, 685938, 966549, 1119162, 1933098, 3544013, 7088026, 10632039, 21264078]

約数ペア:

[(1, 21264078), (2, 10632039), (3, 7088026), (6, 3544013), (11, 1933098), (19, 1119162), (22, 966549), (31, 685938), (33, 644366), (38, 559581), (57, 373054), (62, 342969), (66, 322183), (93, 228646), (114, 186527), (186, 114323), (209, 101742), (341, 62358), (418, 50871), (547, 38874), (589, 36102), (627, 33914), (682, 31179), (1023, 20786), (1094, 19437), (1178, 18051), (1254, 16957), (1641, 12958), (1767, 12034), (2046, 10393), (3282, 6479), (3534, 6017)]