21251190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41669}}^1$

素因数の和:41696

約数の個数: 32

約数和(自身を含む): 54004320

約数和(自身を除く): 32753130

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41669, 83338, 125007, 208345, 250014, 416690, 625035, 708373, 1250070, 1416746, 2125119, 3541865, 4250238, 7083730, 10625595, 21251190]

約数ペア:

[(1, 21251190), (2, 10625595), (3, 7083730), (5, 4250238), (6, 3541865), (10, 2125119), (15, 1416746), (17, 1250070), (30, 708373), (34, 625035), (51, 416690), (85, 250014), (102, 208345), (170, 125007), (255, 83338), (510, 41669)]