21869310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 56158272

約数和(自身を除く): 34288962

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 137, 170, 255, 274, 313, 411, 510, 626, 685, 822, 939, 1370, 1565, 1878, 2055, 2329, 3130, 4110, 4658, 4695, 5321, 6987, 9390, 10642, 11645, 13974, 15963, 23290, 26605, 31926, 34935, 42881, 53210, 69870, 79815, 85762, 128643, 159630, 214405, 257286, 428810, 643215, 728977, 1286430, 1457954, 2186931, 3644885, 4373862, 7289770, 10934655, 21869310]

約数ペア:

[(1, 21869310), (2, 10934655), (3, 7289770), (5, 4373862), (6, 3644885), (10, 2186931), (15, 1457954), (17, 1286430), (30, 728977), (34, 643215), (51, 428810), (85, 257286), (102, 214405), (137, 159630), (170, 128643), (255, 85762), (274, 79815), (313, 69870), (411, 53210), (510, 42881), (626, 34935), (685, 31926), (822, 26605), (939, 23290), (1370, 15963), (1565, 13974), (1878, 11645), (2055, 10642), (2329, 9390), (3130, 6987), (4110, 5321), (4658, 4695)]