21743790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 56471040

約数和(自身を除く): 34727250

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 95, 111, 114, 185, 190, 222, 285, 370, 555, 570, 703, 1031, 1110, 1406, 2062, 2109, 3093, 3515, 4218, 5155, 6186, 7030, 10310, 10545, 15465, 19589, 21090, 30930, 38147, 39178, 58767, 76294, 97945, 114441, 117534, 190735, 195890, 228882, 293835, 381470, 572205, 587670, 724793, 1144410, 1449586, 2174379, 3623965, 4348758, 7247930, 10871895, 21743790]

約数ペア:

[(1, 21743790), (2, 10871895), (3, 7247930), (5, 4348758), (6, 3623965), (10, 2174379), (15, 1449586), (19, 1144410), (30, 724793), (37, 587670), (38, 572205), (57, 381470), (74, 293835), (95, 228882), (111, 195890), (114, 190735), (185, 117534), (190, 114441), (222, 97945), (285, 76294), (370, 58767), (555, 39178), (570, 38147), (703, 30930), (1031, 21090), (1110, 19589), (1406, 15465), (2062, 10545), (2109, 10310), (3093, 7030), (3515, 6186), (4218, 5155)]