21943575

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 44640000

約数和(自身を除く): 22696425

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 29, 45, 57, 59, 75, 87, 95, 135, 145, 171, 177, 225, 261, 285, 295, 435, 475, 513, 531, 551, 675, 725, 783, 855, 885, 1121, 1305, 1425, 1475, 1593, 1653, 1711, 2175, 2565, 2655, 2755, 3363, 3915, 4275, 4425, 4959, 5133, 5605, 6525, 7965, 8265, 8555, 10089, 12825, 13275, 13775, 14877, 15399, 16815, 19575, 24795, 25665, 28025, 30267, 32509, 39825, 41325, 42775, 46197, 50445, 74385, 76995, 84075, 97527, 123975, 128325, 151335, 162545, 230985, 252225, 292581, 371925, 384975, 487635, 756675, 812725, 877743, 1154925, 1462905, 2438175, 4388715, 7314525, 21943575]

約数ペア:

[(1, 21943575), (3, 7314525), (5, 4388715), (9, 2438175), (15, 1462905), (19, 1154925), (25, 877743), (27, 812725), (29, 756675), (45, 487635), (57, 384975), (59, 371925), (75, 292581), (87, 252225), (95, 230985), (135, 162545), (145, 151335), (171, 128325), (177, 123975), (225, 97527), (261, 84075), (285, 76995), (295, 74385), (435, 50445), (475, 46197), (513, 42775), (531, 41325), (551, 39825), (675, 32509), (725, 30267), (783, 28025), (855, 25665), (885, 24795), (1121, 19575), (1305, 16815), (1425, 15399), (1475, 14877), (1593, 13775), (1653, 13275), (1711, 12825), (2175, 10089), (2565, 8555), (2655, 8265), (2755, 7965), (3363, 6525), (3915, 5605), (4275, 5133), (4425, 4959)]