21690300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4287

約数の個数: 72

約数和(自身を含む): 66464496

約数和(自身を除く): 44774196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4253, 5100, 8506, 12759, 17012, 21265, 25518, 42530, 51036, 63795, 72301, 85060, 106325, 127590, 144602, 212650, 216903, 255180, 289204, 318975, 361505, 425300, 433806, 637950, 723010, 867612, 1084515, 1275900, 1446020, 1807525, 2169030, 3615050, 4338060, 5422575, 7230100, 10845150, 21690300]

約数ペア:

[(1, 21690300), (2, 10845150), (3, 7230100), (4, 5422575), (5, 4338060), (6, 3615050), (10, 2169030), (12, 1807525), (15, 1446020), (17, 1275900), (20, 1084515), (25, 867612), (30, 723010), (34, 637950), (50, 433806), (51, 425300), (60, 361505), (68, 318975), (75, 289204), (85, 255180), (100, 216903), (102, 212650), (150, 144602), (170, 127590), (204, 106325), (255, 85060), (300, 72301), (340, 63795), (425, 51036), (510, 42530), (850, 25518), (1020, 21265), (1275, 17012), (1700, 12759), (2550, 8506), (4253, 5100)]