21617880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10597}}^1$

素因数の和:10628

約数の個数: 64

約数和(自身を含む): 68675040

約数和(自身を除く): 47057160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10597, 21194, 31791, 42388, 52985, 63582, 84776, 105970, 127164, 158955, 180149, 211940, 254328, 317910, 360298, 423880, 540447, 635820, 720596, 900745, 1080894, 1271640, 1441192, 1801490, 2161788, 2702235, 3602980, 4323576, 5404470, 7205960, 10808940, 21617880]

約数ペア:

[(1, 21617880), (2, 10808940), (3, 7205960), (4, 5404470), (5, 4323576), (6, 3602980), (8, 2702235), (10, 2161788), (12, 1801490), (15, 1441192), (17, 1271640), (20, 1080894), (24, 900745), (30, 720596), (34, 635820), (40, 540447), (51, 423880), (60, 360298), (68, 317910), (85, 254328), (102, 211940), (120, 180149), (136, 158955), (170, 127164), (204, 105970), (255, 84776), (340, 63582), (408, 52985), (510, 42388), (680, 31791), (1020, 21194), (2040, 10597)]