21529500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 64856064

約数和(自身を除く): 43326564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 300, 310, 372, 375, 463, 465, 500, 620, 750, 775, 926, 930, 1389, 1500, 1550, 1852, 1860, 2315, 2325, 2778, 3100, 3875, 4630, 4650, 5556, 6945, 7750, 9260, 9300, 11575, 11625, 13890, 14353, 15500, 23150, 23250, 27780, 28706, 34725, 43059, 46300, 46500, 57412, 57875, 69450, 71765, 86118, 115750, 138900, 143530, 172236, 173625, 215295, 231500, 287060, 347250, 358825, 430590, 694500, 717650, 861180, 1076475, 1435300, 1794125, 2152950, 3588250, 4305900, 5382375, 7176500, 10764750, 21529500]

約数ペア:

[(1, 21529500), (2, 10764750), (3, 7176500), (4, 5382375), (5, 4305900), (6, 3588250), (10, 2152950), (12, 1794125), (15, 1435300), (20, 1076475), (25, 861180), (30, 717650), (31, 694500), (50, 430590), (60, 358825), (62, 347250), (75, 287060), (93, 231500), (100, 215295), (124, 173625), (125, 172236), (150, 143530), (155, 138900), (186, 115750), (250, 86118), (300, 71765), (310, 69450), (372, 57875), (375, 57412), (463, 46500), (465, 46300), (500, 43059), (620, 34725), (750, 28706), (775, 27780), (926, 23250), (930, 23150), (1389, 15500), (1500, 14353), (1550, 13890), (1852, 11625), (1860, 11575), (2315, 9300), (2325, 9260), (2778, 7750), (3100, 6945), (3875, 5556), (4630, 4650)]