21770010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 40005990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 435, 439, 522, 551, 570, 855, 870, 878, 1102, 1305, 1317, 1653, 1710, 2195, 2610, 2634, 2755, 3306, 3951, 4390, 4959, 5510, 6585, 7902, 8265, 8341, 9918, 12731, 13170, 16530, 16682, 19755, 24795, 25023, 25462, 38193, 39510, 41705, 49590, 50046, 63655, 75069, 76386, 83410, 114579, 125115, 127310, 150138, 190965, 229158, 241889, 250230, 375345, 381930, 483778, 572895, 725667, 750690, 1145790, 1209445, 1451334, 2177001, 2418890, 3628335, 4354002, 7256670, 10885005, 21770010]

約数ペア:

[(1, 21770010), (2, 10885005), (3, 7256670), (5, 4354002), (6, 3628335), (9, 2418890), (10, 2177001), (15, 1451334), (18, 1209445), (19, 1145790), (29, 750690), (30, 725667), (38, 572895), (45, 483778), (57, 381930), (58, 375345), (87, 250230), (90, 241889), (95, 229158), (114, 190965), (145, 150138), (171, 127310), (174, 125115), (190, 114579), (261, 83410), (285, 76386), (290, 75069), (342, 63655), (435, 50046), (439, 49590), (522, 41705), (551, 39510), (570, 38193), (855, 25462), (870, 25023), (878, 24795), (1102, 19755), (1305, 16682), (1317, 16530), (1653, 13170), (1710, 12731), (2195, 9918), (2610, 8341), (2634, 8265), (2755, 7902), (3306, 6585), (3951, 5510), (4390, 4959)]