21567222

素因数分解:

$2^1\times 3^5\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 27354378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 199, 223, 243, 398, 446, 486, 597, 669, 1194, 1338, 1791, 2007, 3582, 4014, 5373, 6021, 10746, 12042, 16119, 18063, 32238, 36126, 44377, 48357, 54189, 88754, 96714, 108378, 133131, 266262, 399393, 798786, 1198179, 2396358, 3594537, 7189074, 10783611, 21567222]

約数ペア:

[(1, 21567222), (2, 10783611), (3, 7189074), (6, 3594537), (9, 2396358), (18, 1198179), (27, 798786), (54, 399393), (81, 266262), (162, 133131), (199, 108378), (223, 96714), (243, 88754), (398, 54189), (446, 48357), (486, 44377), (597, 36126), (669, 32238), (1194, 18063), (1338, 16119), (1791, 12042), (2007, 10746), (3582, 6021), (4014, 5373)]