21559110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 33564090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 109, 114, 190, 218, 285, 327, 347, 545, 570, 654, 694, 1041, 1090, 1635, 1735, 2071, 2082, 3270, 3470, 4142, 5205, 6213, 6593, 10355, 10410, 12426, 13186, 19779, 20710, 31065, 32965, 37823, 39558, 62130, 65930, 75646, 98895, 113469, 189115, 197790, 226938, 378230, 567345, 718637, 1134690, 1437274, 2155911, 3593185, 4311822, 7186370, 10779555, 21559110]

約数ペア:

[(1, 21559110), (2, 10779555), (3, 7186370), (5, 4311822), (6, 3593185), (10, 2155911), (15, 1437274), (19, 1134690), (30, 718637), (38, 567345), (57, 378230), (95, 226938), (109, 197790), (114, 189115), (190, 113469), (218, 98895), (285, 75646), (327, 65930), (347, 62130), (545, 39558), (570, 37823), (654, 32965), (694, 31065), (1041, 20710), (1090, 19779), (1635, 13186), (1735, 12426), (2071, 10410), (2082, 10355), (3270, 6593), (3470, 6213), (4142, 5205)]