21022650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 64067328

約数和(自身を除く): 43044678

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 31, 33, 45, 50, 55, 62, 66, 75, 90, 93, 99, 110, 137, 150, 155, 165, 186, 198, 225, 274, 275, 279, 310, 330, 341, 411, 450, 465, 495, 550, 558, 682, 685, 775, 822, 825, 930, 990, 1023, 1233, 1370, 1395, 1507, 1550, 1650, 1705, 2046, 2055, 2325, 2466, 2475, 2790, 3014, 3069, 3410, 3425, 4110, 4247, 4521, 4650, 4950, 5115, 6138, 6165, 6850, 6975, 7535, 8494, 8525, 9042, 10230, 10275, 12330, 12741, 13563, 13950, 15070, 15345, 17050, 20550, 21235, 22605, 25482, 25575, 27126, 30690, 30825, 37675, 38223, 42470, 45210, 46717, 51150, 61650, 63705, 67815, 75350, 76446, 76725, 93434, 106175, 113025, 127410, 135630, 140151, 153450, 191115, 212350, 226050, 233585, 280302, 318525, 339075, 382230, 420453, 467170, 637050, 678150, 700755, 840906, 955575, 1167925, 1401510, 1911150, 2102265, 2335850, 3503775, 4204530, 7007550, 10511325, 21022650]

約数ペア:

[(1, 21022650), (2, 10511325), (3, 7007550), (5, 4204530), (6, 3503775), (9, 2335850), (10, 2102265), (11, 1911150), (15, 1401510), (18, 1167925), (22, 955575), (25, 840906), (30, 700755), (31, 678150), (33, 637050), (45, 467170), (50, 420453), (55, 382230), (62, 339075), (66, 318525), (75, 280302), (90, 233585), (93, 226050), (99, 212350), (110, 191115), (137, 153450), (150, 140151), (155, 135630), (165, 127410), (186, 113025), (198, 106175), (225, 93434), (274, 76725), (275, 76446), (279, 75350), (310, 67815), (330, 63705), (341, 61650), (411, 51150), (450, 46717), (465, 45210), (495, 42470), (550, 38223), (558, 37675), (682, 30825), (685, 30690), (775, 27126), (822, 25575), (825, 25482), (930, 22605), (990, 21235), (1023, 20550), (1233, 17050), (1370, 15345), (1395, 15070), (1507, 13950), (1550, 13563), (1650, 12741), (1705, 12330), (2046, 10275), (2055, 10230), (2325, 9042), (2466, 8525), (2475, 8494), (2790, 7535), (3014, 6975), (3069, 6850), (3410, 6165), (3425, 6138), (4110, 5115), (4247, 4950), (4521, 4650)]