21746810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 21798790

約数列:

[1, 2, 5, 10, 29, 31, 41, 58, 59, 62, 82, 118, 145, 155, 205, 290, 295, 310, 410, 590, 899, 1189, 1271, 1711, 1798, 1829, 2378, 2419, 2542, 3422, 3658, 4495, 4838, 5945, 6355, 8555, 8990, 9145, 11890, 12095, 12710, 17110, 18290, 24190, 36859, 53041, 70151, 73718, 74989, 106082, 140302, 149978, 184295, 265205, 350755, 368590, 374945, 530410, 701510, 749890, 2174681, 4349362, 10873405, 21746810]

約数ペア:

[(1, 21746810), (2, 10873405), (5, 4349362), (10, 2174681), (29, 749890), (31, 701510), (41, 530410), (58, 374945), (59, 368590), (62, 350755), (82, 265205), (118, 184295), (145, 149978), (155, 140302), (205, 106082), (290, 74989), (295, 73718), (310, 70151), (410, 53041), (590, 36859), (899, 24190), (1189, 18290), (1271, 17110), (1711, 12710), (1798, 12095), (1829, 11890), (2378, 9145), (2419, 8990), (2542, 8555), (3422, 6355), (3658, 5945), (4495, 4838)]