21330900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 67737852

約数和(自身を除く): 46406952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 137, 150, 173, 180, 225, 274, 300, 346, 411, 450, 519, 548, 685, 692, 822, 865, 900, 1038, 1233, 1370, 1557, 1644, 1730, 2055, 2076, 2466, 2595, 2740, 3114, 3425, 3460, 4110, 4325, 4932, 5190, 6165, 6228, 6850, 7785, 8220, 8650, 10275, 10380, 12330, 12975, 13700, 15570, 17300, 20550, 23701, 24660, 25950, 30825, 31140, 38925, 41100, 47402, 51900, 61650, 71103, 77850, 94804, 118505, 123300, 142206, 155700, 213309, 237010, 284412, 355515, 426618, 474020, 592525, 711030, 853236, 1066545, 1185050, 1422060, 1777575, 2133090, 2370100, 3555150, 4266180, 5332725, 7110300, 10665450, 21330900]

約数ペア:

[(1, 21330900), (2, 10665450), (3, 7110300), (4, 5332725), (5, 4266180), (6, 3555150), (9, 2370100), (10, 2133090), (12, 1777575), (15, 1422060), (18, 1185050), (20, 1066545), (25, 853236), (30, 711030), (36, 592525), (45, 474020), (50, 426618), (60, 355515), (75, 284412), (90, 237010), (100, 213309), (137, 155700), (150, 142206), (173, 123300), (180, 118505), (225, 94804), (274, 77850), (300, 71103), (346, 61650), (411, 51900), (450, 47402), (519, 41100), (548, 38925), (685, 31140), (692, 30825), (822, 25950), (865, 24660), (900, 23701), (1038, 20550), (1233, 17300), (1370, 15570), (1557, 13700), (1644, 12975), (1730, 12330), (2055, 10380), (2076, 10275), (2466, 8650), (2595, 8220), (2740, 7785), (3114, 6850), (3425, 6228), (3460, 6165), (4110, 5190), (4325, 4932)]