21249900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3373}}^1$

素因数の和:3400

約数の個数: 108

約数和(自身を含む): 76144432

約数和(自身を除く): 54894532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3373, 6300, 6746, 10119, 13492, 16865, 20238, 23611, 30357, 33730, 40476, 47222, 50595, 60714, 67460, 70833, 84325, 94444, 101190, 118055, 121428, 141666, 151785, 168650, 202380, 212499, 236110, 252975, 283332, 303570, 337300, 354165, 424998, 472220, 505950, 590275, 607140, 708330, 758925, 849996, 1011900, 1062495, 1180550, 1416660, 1517850, 1770825, 2124990, 2361100, 3035700, 3541650, 4249980, 5312475, 7083300, 10624950, 21249900]

約数ペア:

[(1, 21249900), (2, 10624950), (3, 7083300), (4, 5312475), (5, 4249980), (6, 3541650), (7, 3035700), (9, 2361100), (10, 2124990), (12, 1770825), (14, 1517850), (15, 1416660), (18, 1180550), (20, 1062495), (21, 1011900), (25, 849996), (28, 758925), (30, 708330), (35, 607140), (36, 590275), (42, 505950), (45, 472220), (50, 424998), (60, 354165), (63, 337300), (70, 303570), (75, 283332), (84, 252975), (90, 236110), (100, 212499), (105, 202380), (126, 168650), (140, 151785), (150, 141666), (175, 121428), (180, 118055), (210, 101190), (225, 94444), (252, 84325), (300, 70833), (315, 67460), (350, 60714), (420, 50595), (450, 47222), (525, 40476), (630, 33730), (700, 30357), (900, 23611), (1050, 20238), (1260, 16865), (1575, 13492), (2100, 10119), (3150, 6746), (3373, 6300)]