21162150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 61746048

約数和(自身を除く): 40583898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 37, 41, 45, 50, 62, 74, 75, 82, 90, 93, 111, 123, 150, 155, 185, 186, 205, 222, 225, 246, 279, 310, 333, 369, 370, 410, 450, 465, 555, 558, 615, 666, 738, 775, 925, 930, 1025, 1110, 1147, 1230, 1271, 1395, 1517, 1550, 1665, 1845, 1850, 2050, 2294, 2325, 2542, 2775, 2790, 3034, 3075, 3330, 3441, 3690, 3813, 4551, 4650, 5550, 5735, 6150, 6355, 6882, 6975, 7585, 7626, 8325, 9102, 9225, 10323, 11439, 11470, 12710, 13653, 13950, 15170, 16650, 17205, 18450, 19065, 20646, 22755, 22878, 27306, 28675, 31775, 34410, 37925, 38130, 45510, 47027, 51615, 57195, 57350, 63550, 68265, 75850, 86025, 94054, 95325, 103230, 113775, 114390, 136530, 141081, 172050, 190650, 227550, 235135, 258075, 282162, 285975, 341325, 423243, 470270, 516150, 571950, 682650, 705405, 846486, 1175675, 1410810, 2116215, 2351350, 3527025, 4232430, 7054050, 10581075, 21162150]

約数ペア:

[(1, 21162150), (2, 10581075), (3, 7054050), (5, 4232430), (6, 3527025), (9, 2351350), (10, 2116215), (15, 1410810), (18, 1175675), (25, 846486), (30, 705405), (31, 682650), (37, 571950), (41, 516150), (45, 470270), (50, 423243), (62, 341325), (74, 285975), (75, 282162), (82, 258075), (90, 235135), (93, 227550), (111, 190650), (123, 172050), (150, 141081), (155, 136530), (185, 114390), (186, 113775), (205, 103230), (222, 95325), (225, 94054), (246, 86025), (279, 75850), (310, 68265), (333, 63550), (369, 57350), (370, 57195), (410, 51615), (450, 47027), (465, 45510), (555, 38130), (558, 37925), (615, 34410), (666, 31775), (738, 28675), (775, 27306), (925, 22878), (930, 22755), (1025, 20646), (1110, 19065), (1147, 18450), (1230, 17205), (1271, 16650), (1395, 15170), (1517, 13950), (1550, 13653), (1665, 12710), (1845, 11470), (1850, 11439), (2050, 10323), (2294, 9225), (2325, 9102), (2542, 8325), (2775, 7626), (2790, 7585), (3034, 6975), (3075, 6882), (3330, 6355), (3441, 6150), (3690, 5735), (3813, 5550), (4551, 4650)]