21425100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4201}}^1$

素因数の和:4235

約数の個数: 72

約数和(自身を含む): 65652048

約数和(自身を除く): 44226948

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, 4201, 5100, 8402, 12603, 16804, 21005, 25206, 42010, 50412, 63015, 71417, 84020, 105025, 126030, 142834, 210050, 214251, 252060, 285668, 315075, 357085, 420100, 428502, 630150, 714170, 857004, 1071255, 1260300, 1428340, 1785425, 2142510, 3570850, 4285020, 5356275, 7141700, 10712550, 21425100]

約数ペア:

[(1, 21425100), (2, 10712550), (3, 7141700), (4, 5356275), (5, 4285020), (6, 3570850), (10, 2142510), (12, 1785425), (15, 1428340), (17, 1260300), (20, 1071255), (25, 857004), (30, 714170), (34, 630150), (50, 428502), (51, 420100), (60, 357085), (68, 315075), (75, 285668), (85, 252060), (100, 214251), (102, 210050), (150, 142834), (170, 126030), (204, 105025), (255, 84020), (300, 71417), (340, 63015), (425, 50412), (510, 42010), (850, 25206), (1020, 21005), (1275, 16804), (1700, 12603), (2550, 8402), (4201, 5100)]