21201750

素因数分解:

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

素因数の和:381

約数の個数: 96

約数和(自身を含む): 59623200

約数和(自身を除く): 38421450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 243, 250, 270, 349, 375, 405, 450, 486, 675, 698, 750, 810, 1047, 1125, 1215, 1350, 1745, 2025, 2094, 2250, 2430, 3141, 3375, 3490, 4050, 5235, 6075, 6282, 6750, 8725, 9423, 10125, 10470, 12150, 15705, 17450, 18846, 20250, 26175, 28269, 30375, 31410, 43625, 47115, 52350, 56538, 60750, 78525, 84807, 87250, 94230, 130875, 141345, 157050, 169614, 235575, 261750, 282690, 392625, 424035, 471150, 706725, 785250, 848070, 1177875, 1413450, 2120175, 2355750, 3533625, 4240350, 7067250, 10600875, 21201750]

約数ペア:

[(1, 21201750), (2, 10600875), (3, 7067250), (5, 4240350), (6, 3533625), (9, 2355750), (10, 2120175), (15, 1413450), (18, 1177875), (25, 848070), (27, 785250), (30, 706725), (45, 471150), (50, 424035), (54, 392625), (75, 282690), (81, 261750), (90, 235575), (125, 169614), (135, 157050), (150, 141345), (162, 130875), (225, 94230), (243, 87250), (250, 84807), (270, 78525), (349, 60750), (375, 56538), (405, 52350), (450, 47115), (486, 43625), (675, 31410), (698, 30375), (750, 28269), (810, 26175), (1047, 20250), (1125, 18846), (1215, 17450), (1350, 15705), (1745, 12150), (2025, 10470), (2094, 10125), (2250, 9423), (2430, 8725), (3141, 6750), (3375, 6282), (3490, 6075), (4050, 5235)]