21441870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 58900608

約数和(自身を除く): 37458738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 47, 74, 90, 94, 111, 137, 141, 185, 222, 235, 274, 282, 333, 370, 411, 423, 470, 555, 666, 685, 705, 822, 846, 1110, 1233, 1370, 1410, 1665, 1739, 2055, 2115, 2466, 3330, 3478, 4110, 4230, 5069, 5217, 6165, 6439, 8695, 10138, 10434, 12330, 12878, 15207, 15651, 17390, 19317, 25345, 26085, 30414, 31302, 32195, 38634, 45621, 50690, 52170, 57951, 64390, 76035, 78255, 91242, 96585, 115902, 152070, 156510, 193170, 228105, 238243, 289755, 456210, 476486, 579510, 714729, 1191215, 1429458, 2144187, 2382430, 3573645, 4288374, 7147290, 10720935, 21441870]

約数ペア:

[(1, 21441870), (2, 10720935), (3, 7147290), (5, 4288374), (6, 3573645), (9, 2382430), (10, 2144187), (15, 1429458), (18, 1191215), (30, 714729), (37, 579510), (45, 476486), (47, 456210), (74, 289755), (90, 238243), (94, 228105), (111, 193170), (137, 156510), (141, 152070), (185, 115902), (222, 96585), (235, 91242), (274, 78255), (282, 76035), (333, 64390), (370, 57951), (411, 52170), (423, 50690), (470, 45621), (555, 38634), (666, 32195), (685, 31302), (705, 30414), (822, 26085), (846, 25345), (1110, 19317), (1233, 17390), (1370, 15651), (1410, 15207), (1665, 12878), (1739, 12330), (2055, 10434), (2115, 10138), (2466, 8695), (3330, 6439), (3478, 6165), (4110, 5217), (4230, 5069)]