21437325

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 48608000

約数和(自身を除く): 27170675

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 349, 351, 455, 525, 585, 675, 819, 945, 975, 1047, 1365, 1575, 1745, 1755, 2275, 2443, 2457, 2925, 3141, 4095, 4537, 4725, 5235, 6825, 7329, 8725, 8775, 9423, 12215, 12285, 13611, 15705, 20475, 21987, 22685, 26175, 31759, 36645, 40833, 47115, 61075, 61425, 65961, 68055, 78525, 95277, 109935, 113425, 122499, 158795, 183225, 204165, 235575, 285831, 329805, 340275, 476385, 549675, 612495, 793975, 857493, 1020825, 1429155, 1649025, 2381925, 3062475, 4287465, 7145775, 21437325]

約数ペア:

[(1, 21437325), (3, 7145775), (5, 4287465), (7, 3062475), (9, 2381925), (13, 1649025), (15, 1429155), (21, 1020825), (25, 857493), (27, 793975), (35, 612495), (39, 549675), (45, 476385), (63, 340275), (65, 329805), (75, 285831), (91, 235575), (105, 204165), (117, 183225), (135, 158795), (175, 122499), (189, 113425), (195, 109935), (225, 95277), (273, 78525), (315, 68055), (325, 65961), (349, 61425), (351, 61075), (455, 47115), (525, 40833), (585, 36645), (675, 31759), (819, 26175), (945, 22685), (975, 21987), (1047, 20475), (1365, 15705), (1575, 13611), (1745, 12285), (1755, 12215), (2275, 9423), (2443, 8775), (2457, 8725), (2925, 7329), (3141, 6825), (4095, 5235), (4537, 4725)]